Clesana C1 Toilet with L Adapter gives you a waterless setup for vans, caravans, motorhomes. It seals waste in a barrier film using a thermo pressure process. No water. No chemicals. No black tank. Each cycle forms a clean pack for simple disposal. Built in Switzerland with solid parts. The L Adapter helps fit in tight layouts or a Thetford C260 cutout. Odour stays locked away. Surfaces stay clean. Power draw suits 12 V systems in touring rigs. The unit fits small bathrooms yet feels like a normal seat. It suits off grid trips or sites with limited facilities.
Owners who want less mess pick this over cassette units. Hygiene reaches medical standards per the maker. No blue fluids to store or spill. No smells after a long drive. Clesana C1 Toilet with L Adapter helps on long trips. The barrier film isolates contents from the bowl. A fresh section feeds in for the next use. No contact with waste during routine use. The seat height sits at 478 mm. Operation feels familiar. Press the button. The unit separates, then welds the film. You get a sealed parcel. Nappy duty also fits the system. Hygiene items or food waste fit too. Handy for families, dog owners, solo travellers.
Install in a space sized like a Thetford C260 bay. Dimensions measure 515 by 363 by 516 or 461 mm H W D. Gross weight sits at 13.8 kg. Nominal voltage sits at 12 V. Supply range sits at 11.8 to 15 V. Max input hits 22 A. Peak power sits at 265 W. Standby sits at 0.28 W. Energy per separation sits at 1.7 Wh. Energy per welding step sits at 0.55 Wh. The L Adapter helps route the outlet path in tight cabinets. Retrofit work feels straightforward for a professional fitter. No winterising needed. No water lines to drain. No chemicals to store.
Daily use stays simple. Keep a spare film cassette on board. Check supply wiring suits the current draw. Short cable runs give best results. The lid feels sturdy. Cleaning takes minutes with mild cleaner. The bowl avoids scratches from gritty water due to no flush. Sealed packs stack neatly in a bin. Dispose in line with local rules. Good for off grid weekends or long tours with few dump points. Suits boats too if space allows. Quiet operation helps during night use. A solid option for builders who want a reliable, low upkeep toilet.
Retrofitting in caravaning Retroffiting of the most common types of chemical toilets to a C1 via L-adapter (service opening in toilet room is sealed by rubber lid on the back piece of the L-adapter). Important: water hose for flushing has to be plugged. Installation is usually possible without any problems. See the attached installation details.
Clesana C1 Consumables All excretions and toilet waste are hygienically sealed in multlayer barrier foil. A fresh barrier liner allows for 40 uses. The PTFE-band used for welding the sanitary bags has a lifetime of approximately 2000 cycles. Optional: the “Clesana Super-Absorber” can be applied for liquid absorption.
Sophistication simply done Using the Clesana system is so easy that you won’t notice any difference compared to the sanitary comfort of your home, except that you don’t need any water to feel hygienically safe, without compromise.
As soon as the foil liner has been inserted, the Clesana toilet is ready to use. Flushing is similar to your home toilet: simply close the lid and choose between the “Flushing BIG” and “Flushing SMALL” buttons. Optionally, to bind fluids, the Clesana absorber can be added to the toilet “bowl”. Then, again, close the lid and select „Flushing SMALL“.
After pressing the flush button, the system takes over. Excretions and toilet waste are automatically sealed in foil bags and collected in a special compartment beneath the toilet seat, without any odors, germ-free and with no need for water. The system now automatically lines the toilet „bowl“ with fresh foil for subsequent use.
The fill-level indicator integrated into the display indicates when the bag compartment needs emptying. To empty, simply pull out the compartment and discard sanitary bags as household waste, care-free and without ever having to fear contact with the contents.
Setting up your Clesana
Before the first use of the Clesana toilet the foil liner has to be inserted. Just follow these 4 simple steps:
Step 1 Remove lid, take out foil cassette and place on table upside down (oval side downwards).
Step 2 Put liner onto foil cassette and adjust. Flip cassette, pull foil tube up and over the rim inwards, leaving it overlapping downwards.
Step 3 Reinsert foil cassette into toilet.
Step 4 Place lid back on and initiate reset. The foil tube is now automatically welded to a bag and the counter is reset.
Step 5 The toilet is now ready to use. A fresh barrier liner allows for 36 uses. The digital counter reliably indicates when it is is time to change the liner.
Clesana C1 Toilet with L Adapter Features
Waterless Operation – Eliminates the need for fresh water, chemicals, or black water tanks
Hygienic Sealing System – Thermo-pressure process ensures safe, residue-free disposal
Odour-Free & Clean – Provides hygiene to medical standards
Universal Use – Suitable for toilet waste, nappies, hygiene products, and food waste
Eco-Friendly – Reduces environmental impact compared to chemical toilets
Compact & Versatile – Easily installed in layouts designed for Thetford C260 series
Low Maintenance – No winterising required and minimal upkeep needed
Freedom & Independence – Operates without reliance on disposal stations or water supply
Durable Swiss Quality – Manufactured with sustainable supply chains for long-lasting reliability
Retrofit Ready – Simple installation for both new builds and existing vehicles
If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 100 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.
For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?
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Clesana C1 Toilet with Round Adaptor
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