The Thetford Separation Toilet Kit SK260 transforms your existing C260 cassette toilet into a waterless separation system. This retrofit kit includes a complete bowl assembly, 7L solid waste bucket, 7.5L urine tank with electronic level indicator, and leak-free connection components. Off-grid campers and motorhome owners choose this upgrade when they want extended autonomy between disposal stops and prefer to avoid chemical additives. The SK260 weighs 3.5kg and features plastic bowl construction with a recycled plastic tank and bucket.
How does the Thetford SK260 separation system work without water or chemicals?
The SK260 separates liquid and solid waste at source into two containers. Urine flows into a 7.5L tank through a leak-free connection whilst solids collect in a 7L bucket. The ergonomic bowl design includes a blade that covers waste after use. This separation prevents ammonia formation, reducing odour without chemical additives or flush water.
Installation fits DIY abilities, with the complete bowl replacement design simplifying the retrofit process. The urine tank empties into standard toilets whilst solid waste disposes hygienically using waste bags and drying agent. Electronic level indication on the urine tank shows when emptying is needed. An optional ventilation kit (A0032630) provides additional odour management for extended trips. First introduced to market in 2025 from Thetford, this model extends disposal intervals compared to traditional cassette systems, offering greater self-sufficiency for wild camping and remote touring.
The separation principle allows disposal flexibility that cassette toilets don't provide. Liquids and solids empty separately at different intervals, with urine disposal possible at any toilet facility. Solid waste dries naturally in the bucket, containing odours whilst reducing overall disposal frequency. This system suits anyone who camps off-grid regularly, dislikes handling chemical waste mixtures, or wants to reduce water consumption in their motorhome or caravan.
Thetford Separation Toilet Kit SK260 Features
Waterless Operation: Separates urine and solid waste at source, eliminating the need for flush water and reducing water consumption in your motorhome or caravan.
C260 Conversion Compatibility: Transforms existing Thetford C260 cassette toilets into modern separation systems with complete bowl replacement for straightforward DIY installation.
Dual Container System: Features a 7.5L urine tank with electronic level indication and a 7L solid waste bucket, allowing separate disposal at different intervals for extended autonomy.
Leak-Free Connection Design: Optimised discharge connection prevents spills when emptying the urine tank, ensuring hygienic and hassle-free disposal.
Ergonomic Bowl with Privacy Blade: Purpose-designed bowl shape improves comfort whilst the integrated blade visually covers waste after use for enhanced discretion.
Recycled Material Construction: Tank and bucket manufactured from recycled plastic (bowl is standard plastic), supporting environmental responsibility whilst maintaining durability at just 3.5kg total weight.
Specifications
Model: SK260
Item No: 212471
Bowl: PlasticTank & Bucket: Recycled plastic
Solid waste bucket volume: 7L
Urine tank volume: 7.5L
Urine tank level indication: Electronic
Weight: 3.5Kg
Frequently Asked Questions
Which Thetford toilets is the SK260 kit compatible with?
The SK260 kit fits Thetford C260 cassette toilets with plastic bowls. If you have a C260 CS model with a ceramic bowl, you need the SK260CB variant instead. The kit does not fit C220 models, which require the SK220 separation kit. Check your toilet model number on the service door before ordering to confirm compatibility.
How often do you need to empty the urine tank and solids bucket?
The 7.5L urine tank typically needs emptying every 2-3 days for two people, whilst the 7L solids bucket lasts 5-7 days depending on usage. The electronic level indicator shows when the urine tank requires emptying. Emptying frequency depends on the number of users and trip duration, but separation systems generally allow longer intervals between disposals compared to traditional cassette toilets where everything mixes together.
Where do you dispose of waste from a separation toilet?
Empty the urine tank into any standard toilet, public convenience, or designated disposal point. Solid waste disposes in general waste bins when sealed in appropriate waste bags, though you must check local regulations as disposal rules vary by location. The separation toilet eliminates the need for chemical disposal stations, giving you more flexibility when touring off-grid or wild camping in remote areas.
Do you need chemicals or additives with the SK260 separation toilet?
Chemicals are not required for the separation toilet to function. Thetford offers optional products like Separation Toilet Urine Tank Fresh for the liquid tank and Drying Agent for the solids bucket to control odours, but these consumables are optional rather than essential. The separation itself prevents ammonia formation that causes most odour in traditional cassette toilets, reducing the need for chemical masking agents.
Is professional installation required for the SK260 kit?
The SK260 is designed for DIY installation by caravan and motorhome owners with basic tools. The kit includes a complete bowl assembly that replaces your existing C260 bowl, urine tank, solids bucket, and all necessary connection components. Thetford provides installation instructions and video guides showing the step-by-step process. Most installations complete within 1-2 hours without requiring specialist knowledge or professional fitting services.
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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