TECHNICAL

Caravan & motorhome technical questions

Toilet Electric Flush Will Not Work On a C200cwe


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My Thetford Cassette Toilet C200CWE has just stop working. i can hear the click when i press the button on the toilet but it just stop flushing. i have open the cassette toilet door checked the fuse which is good, well tried to check the wiring. i cant seems to see the problem but it will not flush. I don't know how you get to the pump or even the water tank. can you please advise what i can do to check this out many thanks.
Daryl


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I Am Puzzled. I Have a Thetford C200CWE I Have Checked The Switch Part Number 23792 And Discovered It To Be Faulty. There Seems To Be Another Part 23771 Which Appears To Be a Replacement Bezel Which Seems To Includes The Switch Listed At a Lower Price??? Which One Should I Be Looking At. ???


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Hi, i Have a Thetford 200CWE In My Elddis Crusader 2008, 1st Changed The Switch Just 6 Months Ago Due To It Not Working At All. That Sorted a Few Weeks Ago The Flush Was Intermittent And Slow/Reduced Water Flow, The Old Pump Was Removed And a New Pump Fitted But When The Switch Is Activated There Is Nothing Only The Click Of The Switch. The Pump Does Not Run. There Is Current To The Wiring To The Pump And To The Switch, The Fuse Is Good, And The Battery Shows That It Is Ok And Charging Well. The Pump Has Been Tested On a 12v Battery And It Whizzed Round, Could You Throw Any Light On This Pls. It Seams To Make No Sense As All Was Ok All But Sluggish Then As Soon As The Wiring Was Cut To Attach New Pump It Wont Work. Is There Something i'm Missing ?? Help ....... :-)


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Hi I have a thetford c200 cw/cwe toilet and the pump will not stop running how do I fix this.


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Are there any instructions with the holding tank pull handle?


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How can I achieve optimal performance from my Thetford Fridge?


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Is there a way you can improve the performance of our Thetford fridge when we are in South Europe and very hot?


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Can I run my Thetford fridge on Gas when I am driving?


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On my Thetford fridge, the blue fault flashes on the display. Why is this happening?


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My Thetford fridge shows fault number 18? Why is this?


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When I am on holiday my Thetford Fridge does not work very well, what could be the problem?


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Should I take special precautions using my Thetford refrigerator during winter?


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How long is my warranty on my Thetford refrigerator?


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Is it okay to defrost my Thetford fridge/freezer using a hair dryer, heat gun or boiling water?


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Hi I have a thetford N112 refrigerator fitted in my caravan & i believe the heater element has gone as it has stopped working on 230 mains electric could you tell me which is correct element for this model


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hi, i have a thetford 200CWE in my Abbey540 expression 2008, 1st changed the switch just 3 days ago due to it not working at all. that sorted a few mins later the flush stopped!! the old pump was removed and a new pump fitted but when the switch is activated there is nothing only the click of the switch. the pump does not run. there is no current to the wiring to the pump and to the switch, the fuse is good, and the battery shows that it is ok and charging well. the pump has been tested on a 12v battery and it whizzed round, could you throw any light on this pls. It seems to make no sense as all, was ok. then as soon as the wiring was cut to attach new pump it wont work. So I have new switch new pump all installed ans shrunk wrapped but still no current to switch or pump all fuses are good but no current to the switch the 12 volt cable seems to exit the unit and go behind the rear toilet wall so no help there, the book diagram states purple wire the colour into the pump is brown & blue in a black rubber casing have had van since ne and all has worked ok till I had service done and a new batt charger fitted and new water heater element, could the person fitting these have dislodge moved anything. just seems strange all new parts but no current HELP PLEASE! could take it back to service centre but it a bit far so thought I would try you first! No pressure then!! cheers, Dread.


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We have Abbey Vogue 520 caravan. When we use gas fridge the carbon monoxide fumes blow back into the caravan and set off the alarm. Is this a fault with the flue or just caused by the wind. Annie


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Thetford cassette toilet,, not sure of model but think it's a C2. under the toilet roll holder there is a small pump, and a 30 amp relay switch, these look like they do not submerge. To the pump there is a pipe from the onboard cold water tank. From the pump the pipe goes to a small one way valve, this I think goes in to the flush talk that holds the blue chemical flush.. My question is about this valve. Where does it sit in the tank ? The pump had a holding slot, the relay switch crews down, the flush pipe fits to the toilet bowl but I can not see a place or feel a place to fix this small valve back to even though it has a clip on one side and a shaped groove on the other, help please.


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Hi I have recently purchased an elddis typhoon caravan 1985? it has thetford toilet in it with flush to the right and blade opener to the left as you look at the toilet the blade opener has stopped working and "cracks" when turning the round handle it looks like a c2 toilet ? but your diagram shows the blade tuner as a flush, mine are separate? any ideas thanks Jon


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I have a Thetford C-250 CWE toilet fitted to a 2009 Lunar. The toilet has started flushing on it's own, looking at previous post this could be the electric valve can you confirm.? Also when I was investigating the problem I think I have inadvertently disconnected something else looks like (item 14 on the blown up diagram), how do I get inside to reconnect it.?


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On my Thetford N150 Fridge freezer The blue light is flashing and its showing a spanner and code 1 error .I have read through all the bits and pieces that you have written and taken the lid off the power board and changed the 5amp fuse which was not blown and the 20amp which was also not blown but the blue light still flashes on the mains only. Any idees of what it might be. Thanks Gordon


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I have bought a elddis crusader 4 berth caravan 2005 I don't know how to get the toilet to work is there a pump to it or electric to make
to toilet flush please could u explain thanks


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I want to change the flushing pump on my Thetford C400 Cassette Toilet, Can you tell me where to find it and how to remove it, regards John


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I HAVE A THETFORD CASSETTE C4 MANUAL FLUSH. IS IT POSSIBLE UP GRADE IT TO A ELECTRIC FLUSH ? IF SO WHAT FITTINGS ECT WOULD BE REQUIRD ? REGUARDS.


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I have a problem with the electrics on my Swift Conqueror and if possible am seeking your comments please. There seems to be two related issues, one with the NE183-T56 in conjunction with a Thetford N112 fridge.

NE183-T56 with NE189 R1

With no vehicle connected all functions are OK. Panel show voltage 13.8 for van, zero for car which is correct.

If car is selected on the NE183 this causes the ALKO ATC to engage although no car is connected. Therefore, in some way the NE189 must be feeding current into the car-live circuits. Also panel then shows voltage for two batteries, van 13.6, car 13.9 although only the van battery is present!

After several minutes both panel lights (green & red) flash in unison.

Pressing van button causes a return a normal display.

Normally when the vehicle is connected and running the NE183 switches off. Connecting the vehicle now makes no difference.

The two relays in the NE189 appear to be solder-fit so presumably if faulty the panel has to be replaced.

Thetford N112 Fridge

Other than via earth, is there any interaction with the NE183?

Obviously there is a connection with the NE189 because of the fuse elements. Can a relay fault back-feed into the fridge circuit?

The fridge has a completely blank display (no current) and has no response to the on/off switch regardless whether the NE183 is on or off.

There is constant ticking which sounds like the igniter.

Although not turned on the ticking causes the LED awning light to flash in unison. Turning on the light causes the flashing to stop (light becomes constant) although ticking continues. This really foxes me because with the switch turned off the only cable to the light is the earth!

The low-voltage connector to the fridge show 13,7-volts but even with no car connected the heavy duty 12-volt circuit shows 0.4-volts.


Any comments or advice you can offer would be very much appreciated.

Best regards, Jim Slocombe


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Hi have have a thetford n175 fridge freezer the fins at the back of the fridge keep freezing up & there is no error code coming up do we need a new thermistor


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severe exhaust fumes in van from fridge after service no problems with fridge prior to service the van is a sterling europe 460


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Wondered if anyone can help....our c2 thetford manual loo has been great, but this weekend I thought, drain time to avoid frost damage etc..Took the loo to empty it and had a stream of blue loo etc coming out of a hole in the tank body just next to the manual blade handle .I've brought it home to have a look and nothing has come adrift, just a rubber seal at bottom of hole but its straight through, like missing something or been punched through..If the loo is emptied when less than half full its no problems but wondered if i need a new cassette or can I buy a seal.....Cheers peeps.


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Hi, I have a Thetford C200 flush toilet and water is running out of the inlet pipe at the top of the bowl into the main bowl even when it is not being flushed. Is the water coming directly from the inboard water tank. How do I fix this?


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Hi, I have a Thetford C2 cassette toilet in my '96 Rockwood Premier pupup camper. The toilet hasn't flushed since before I bought it, and the previous guy used the shower water to put fluid in the bowl in order to flush. Today I folded the drain and fill spout out, disconnected the sight glass and drained almost a whole mop bucket worth of the foulest smelling blue liquid from the camper. I removed the toilet paper holder and pulled out the pump. Is the pump and electrical wiring supposed to be submerged in the blue liquid under the paper towel holder? Also, looking for the 3 amp fuse, I looked at the diagram online as well as the one in the manual (same diagram), and the fuse isn't there, but on the side of the switching mechanism i can see two little slots that look like a blade fuse would go there. When I try to put a 3 amp blade fuse in those two little slots, it just won't go in. Now, what I have is the bigger blade fuses that are used in the circuit panel in the camper, is that the correct fuse for the C2, or is it the smaller micro fuse that goes there? Thanks in advance.


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I have a 2004 Sterling Europa 3.60. The fridge fitted a Thetford C11 model no. NBOEL R, does not operate on gas. There is a clicking sound when I press the ignition button.


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My Thetford C2 wont flush the pump can be heard running but no water is passed to the bowl. Any ideas, could it be the sanitary fluid has solidified and blocked the pump supply tube.
regards
Tom bartram


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Hi, I have a thetford S-CK13000 cooker the small burner will not stay alight, it lights while you hold in the control and press the igniter, but as soon as you release the control knob it shuts off. The other burners work fine and remain lit when the control is released. Any ideas on the problem ?


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My thetford c200 holding tank is leaking from the blade opener. I have been told that I need a new tank as there is no replacement seal. can I replace the blade opener and rectify the problem.


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Hi, I have a thetford toilet (think it is an c/cs) fitted to lunar delta 540/2 2007. Sometimes the electric flush works and sometimes not. Have checked the connections all seem ok, any suggestions


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Hi I have fault code 1 on my thetford fridge. I've downloaded a pdf file from thetford which tells me to check the 5 amp fuse. I can't locate this fuse? I've also checked the main fuse board for fridge on caravan and that's fine. Any Ideas?


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thetford c200cs not flushing checked 3 amp fuse replaced how do i get in to check to see if pump is working the pump switch is clicking


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hi Tom i have just bought a Avondale Avocet caravan 1994 model but I cant get the toilet to flush can you help please


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iN RESPECT OF THE PUMP FOR THE THETFORD 200CWE. wHAT ELSE IS SUPPLIED AS PART OF THE PUMP. IE PTI TO REFIT THE BEZEL PUSH BUTTON. hEAT sHRINK sLEEVE TO MAKE NEW ELECTRICAL CONNECTIONS WATERTIGHT. tHANKYOU


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Can you tell me where exactly is battery holder for thetford c-200 cwe waste level indicator. You have answered this question for someone saying it is just inside the door on left. I have looked and cannot find it. I can only see a cable with a 3 amp fuse. Help please!


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How do I identify the exact model of Thetford toilet that is in my caravan. It has a electric switch flush, no toilet holder, and the cassette is on wheels with an extendable handle.
Any help please


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Where are the batteries for waste level indicator on thetford c200cwe situated


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Can I replace the plastic toilet bowl (Thetford C250) with a ceramic bowl assembly please?


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Hi i have an N80 fridge in an 2004 abbey adventura when switched to 240v it trips the post out tried on gas but no sound of auto igniter clicking and does not light any idea's please .


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Is there a speciality cleaner which will remove limescale from the sliding seal on toilets? If not, what do you recommend using for this purpose.


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How do I replace the lip seal on a thetford c-250 toilet cassette


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hi, I have a thetford cwe200 toilet in my caravan and the level indicator light will not work. Can you give me a clue as to why and parts needed? Wiring seems ok, fuse also. thanks


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Just received new pump for Thetford C2 unit. It's slightly different than old pump [09/2003 022406].Will crimped cable joint be submerged in water when fitted back in flush water tank.


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I have a Thetford C2 and cannot remove the 2.5 Amp fuse to check it. Does it unscrew or just pull out. I am trying to check if pump is OK. When I press flush knob toilet lights dim slightly does this mean fuse is OK but pump is at fault.


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I need a new holding tank for my Stirling Eccles Opal 2008. CWE200 Thetford Toilet. dark Grey with wheels. Can't seem to find a replacement on your site.


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Hi. I have a Thetford Cassette toilet in my Avondale Mayfly caravan. I think it might be a C2 model but I'm not sure. Perhaps you could advise me what the Mayfly was built with. Anyway, on the holding tank just by the switch (yellow top) that controls the opening of the flap there is a hole. On your download Thetford C2 C3 + C4 Holding Tank page (exploded parts) this hole is numbered #18 but it doesn't say what it's for. The hole on my tank is open and if I pick the (full) tank up vertically to go and empty it, the contents come out of this hole! Is there a bung of some sort that should be in this hole? If so, do you have one? Regards, LM.


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Can I convert my thetford c200cwe toilet to a c200s which draws water from the caravan supply


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Hi Tom on a thetford C200 toilet holding tank how do i remove and fit new o ring on the emptying push button vent.


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hi tom i have a thetford n80 that has stopped cooling on any power supply the 240v heater was replaced 2weeks ago fridge worked fine now heater gets hot and gas burns but fridge wont cool what can it be and can it be repaired easy cheers bob


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My Thetford fridge is malfunctioning with a continuous flashing light, no buttons will respond to pressure and the off switch does not function. No. 14 is shown on the fault screen.


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my Thetford C250 cassette has flushed three times on its own,(without pressing the blue flush button) so overflowing the toilet and flooding the bathroom. What is causing this and how do I get it rectified.


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Hi, I have a Thetford C2 toilet which has stopped working. I have changed the fuse although it hadn't blown. When I push down on the flush button there is no resistance and no water comes out of the pipe. Is this the pump or something else?


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hi tom i have thetford fridge n109 that functions all mode apart for 12 v but it does not cool the fridge its 2007 and in a coachman lazer can you help


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my electric flush on the thetford cassette c402 has not worked for some time, i have replaced the fuse, reed switch, wiring harness, pump and complete switch could you please advise if there is anything i have missed


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Hi Tom we have a thetford toilet model 250cwe that has stopped flushing number on inside of toilet inlet is 5064462 and code 20080122 could you advise what part we would need, i think it may be the circuit board under the flush panel thanks adrian


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Thetford Service Doors 3, 4,5 and 6 Mine is one of the above type and the lock appears to work and the door appears to be securely locked once the key is turned and removed . However if the top button is pressed the door springs open. Can you advise what the problem is.


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I have a cassette toilet in my 1989 talbot autoquest 270 but do not have any power going to it to flush ! the fuse is ok I removed the motor placed it on a battery thats ok , when turn the switch and hold it down the motor does not work ?


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Hi Tom I have a thetford N80 fridge which I am having trouble when switched to gas. I replaced the ignighter and the gas lights now but it wont stay lit. The flame indicator is showing a flame and there definately is a flame because i have checked with assistance. Immediately i let go of the gas knob the flame extinguishes and the flame indicator shows no flame. Do you think i need a new thermostat or a gas valve?


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Bought a new heater element from you for my thetford N90 fridge. I have fitted this but the fridge does not get very cold food thawed in freezer compartment the element is working as heat is rising up the exhaust tube can you suggest any thing


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I have a thetford bench toilet electric flush in my caravan, the problem is at the back there is a plastic tube that goes from one side to the other into the toilet it is white plastic tube approx 10mm in diameter and runs full length of toilet there seems to be some kind of seal missing of either end thus water leaking, would you know what the solution is, cheers,?


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Opened up the van for the season at Easter when we turned the thetford fridge on it trips the mains RCD we do not use gas or 12v supply any ideas?? thanks


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Hi Tom, my thetford N175 fridge freezer has stopped working, the lcd display won't turn on. I've checked all the electrics and this is fine. I’ve tested the electric supply behind the fridge and this has power. I suspect there is a problem with the power board would you agree? and if so, how do I tell if its automatic or manual to purchase the correct board. Many Thanks


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My thetford N112 caravan fridge LCD display keeps coming on and off with a spanner icon and fault code 12. The blue light flashes on and off meaning the fridge is not working. I’ve heard through forums that thetford fridges 2007/2008 year models had faults with the pcb. Any help would be appreciated regards Sue Graham.


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I have a Thetford 250 CWE toilet that has stopped flushing. I am reasonable certain it the PCB in the top of the tank, as if I remove this and run a 12v supply through the connector the pumps works OK. Can you tell me what part no to order.


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Tom,
I have abbey GT214 1990, on the side of the caravan by the Thetford door is a round thread like connection with a hole and two smaller holes could you tell what this is for. If it is for filling up the onboard water tank where would I find the part required for filling. Currently I’m filling it by hand.


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How do you remove a fridge from a caravan for servicing ?


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I have a bailey ranger gt touring caravan. come to use van on first trip out march 2012 and found water leaking into both holding tank compartment and into toilet/compartment. Found dripping water coming from blue plastic bit on r/hand side in holding tank comp {pump I think }.thetfordc250 cwe cassette fitted. pump and flush still works but flush tank leaks. Do I need to replace pump??? need your advice before I place order..thanks Philip


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Hi I have a thetford c200s/cs cassette toilet when I press the flush button it pumps a little water and then blows the 3 amp fuse I have removed the control panel and the connection from the reed switch to the led bulb has been broken would this be the reason or is it more likely to be the electric valve


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My Thetford C200 CWE toilet pump has stopped working. I have checked the power and switch are working alright so assume the pump is at fault. I have checked your web-page for a replacement but cannot establish which pump to order. my pump model No is: 35/2004. 022406. Could you please advise! Thanks!!


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Can I replace a selector switch to my thetford N80 caravan fridge by myself. Is it easy to do without removing fridge from location. Can you supply this as well ?


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Hi, I have a Thetford C250 flush toliet and water has started dribbling out of the little inlet pipe at the top of the bowl into the main bowl even when it is not being flushed. How do I fix this?


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Hi, I have a Thetford N180 fridge/freezer which automatically selects 240v/gas/12v. It does not stay on 240v but selects gas (fault code 1). The power supply is ok. Can you advise please.


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hi there,
I have a 1993 model Swift and it has a Thetford c2
i'm just having trouble finding the fuse it not working and i'm think it could be the power so starting with the fuse to start with.I have polled out the wast box tryed to find in there but just having no luck at all.


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How do i get into thetford cassette model c403lr to repair?


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level indicator not working on 2003 thetfofd C4 cassette toilet, dealer advises that internal float is fouled up..did'nt know it had one, nothing shown on exloded view in manual ?


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I need fitting details to fit a c2 casette toilet into my caravan


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I NEED TO RENEW THE MANUAL PUMP ASSEMBLY IN MY THETFORD CASSETTE TOILET - WHAT SHOULD I USE TO SEAL ARONUD THE TOP. IT SEEMS TO BE SOME SORT OF NON DRYING MASTIC AT PRESENT. MANY THANKS


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Hi i have a problem with my thetford c-402c l holding tank, it is leaking from the circular vent at the back! I have stripped it all down and think it is something to do with the seal on the vent which is fitted inside, can this be replaced if so what is it called. I am unsure how you would get to it to fit a new part? Please advise regards Clare


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Thetford fridge n80 in a swift accord 2004 not working at all but electric going to it. What is wrong?


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Hi I have placed an order with you but before I send it can you advise on the following please; I have ordered a replacement pump for my Thetford C200-CWE cassette toilet how do I replace the pump. Can you buy the thermal fabric only for my black out blinds and lastly on the window stays where do you take the measurement from. Thanks Dave


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hi tom could you tell me what the white wire is on the 12 volt side on a thetford 145 is having trouble wiring it up if i put it to red wire it blows fuse if i put it to black it blows yet there are only the three wires there it all works on gas and 230 volts confused.


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The cooker electronic ignitor will not operate/send a spark to the burners (Thetford S-CK13000) please advise on fault. There is power to the electric hob ring?


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I Have recieved the part no24 on the diagram to replace my broken cover on my Thetford N97 Door Fridge.
How do i screw the part on the door,doese the door have to be removed and if so how does it come off.Thank you.


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Hi Tom, how do I replace the lip seal on my C3 Thetford toilet. It is an old model and I think it is different from the newer version.


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Hi Tom, how do I replace the lip seal on my C3 Thetford toilet. It is an old model and I think it is different from the newer version.


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How do I replace the seal of the automatic vent on my C200 Thetford holding tank?


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how do I replace the seal on a thetford toilet cassette model C200CS A. There are two screws holding the outer ring. Do I need to take these off?


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Hi Tom how do I replace the blade fuse on my Thetford Cassette C2?


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Hi Tom how do I replace the blade fuse on my Thetford Cassette C2?


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How do I replace the seal of the automatic vent on my C200 Thetford holding tank?


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Hi Tom can you tell me how to remove pump from a Thetford C250 cassette toilet


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Flushing problem with thetford toilet.
Where can I get spares?


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can you help I need to renew my water pump in my cassette toilet how to remove it please its a thetford c-250 thank you


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can i get a replacement electric pump for my porta potti 465


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How do I repair the flush mechanism on my Thetford C4 cassette toilet?


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Dripping water from my thetford c-250 cassette toilet can you help


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I have a Bailey senator Arizona 2004. I am looking for waste tank for a Thetford cassette c-200cwe code 20041012. Is the tank still the same today will it fit my toilet thank you


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I have a Thetford 3b which the pump is not working, is there a fuse which may have blown? On the other hand where is the pump situated?


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Hi Tom, I have a Thetford toilet cassette that does not open when I flush. I don't know what the model is but the caravan was given to us and I’m restoring it. It’s an old Viscount two berth. Any ideas?


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How does the c4 cassette toilet level gauge work? Mine always shows empty.


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I have a Thetford toilet in my caravan the cassette has been removed are you able to provide a new one and how much


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Hi, I have a ' fith wheel company' van which has a Thetford fridge/freezer in. It works on gas but not on mains/12v. Is it the 'board' that is faulty or something else/


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About repairing Thetford c-400 holding tank: Can I simply remove circular plate (no. 5/5A in spare parts drawing) by twisting it left or right? I do not dare to take a chance because that might damage the original sealing or other parts.

Regards, Wim AB


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I have a Thetford Cassette Toilet model C-250CWE in my new caravan, but no Level Indicator for the Flush-Water tank. I see this is an optional feature; can it be DIY retro fitted and at what cost? thank you.


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Thetford caravan fridge N109 not cooling. Gas is lit - can hear and feel warm air thru vent outside.


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What are the likely problems whe fitting new a/c heating element to thetford N80 fridge


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