Clesana toilets represent a revolutionary breakthrough in mobile sanitation technology, introducing the world's first waterless toilet system with patented thermo-pressure sealing that creates medical-grade hygiene standards for caravans, motorhomes, and marine applications. The innovative C1 model operates through thermal pressure welding, automatically sealing waste in high-barrier foil bags without requiring water, chemicals, or traditional disposal infrastructure. Originally developed in Switzerland for medical applications to protect water from pharmaceutical contamination, this Swiss-engineered system has been trusted by over 20,000 users and is now factory-fitted in premium motorhomes including Dethleffs and Globebus models.
Independent testing by the Fraunhofer Institute confirms Clesana's barrier film technology provides odour protection over 800 times superior to competing systems, whilst life cycle assessments demonstrate significantly better environmental performance than chemical toilets across all impact categories. The system consumes minimal power at just 0.55Wh per use with 0.28Wh standby consumption, enabling 1,000+ sealing cycles from a standard 92Ah leisure battery. Each barrier liner accommodates up to 40 uses before requiring replacement, with sealed waste bags disposed of safely as household refuse without contact with contents, eliminating the need for chemical dump stations and winter shutdown procedures.
Installation flexibility allows retrofitting via the L-adapter system for direct replacement of Thetford C220/C260 models, or floor-mounting with round base systems offering 180-degree rotation capability. The C1 accommodates not only human waste but also sanitary products, food scraps, and hygiene items, all sealed automatically within 60 seconds of pressing the flush button. Professional installation typically requires 6 hours with specialist dealers providing warranty coverage, whilst the system's robust construction includes load capacity of 150kg and PTFE welding bands rated for 2,000+ cycles, representing the ultimate solution for independent off-grid living without compromising hygiene or environmental responsibility.
Clesana C1 Toilet with L Adapter gives you a waterless setup for vans,
Clesana C1 Toilet with Round Adaptor suits touring where space and wat
Clesana Cleasana Retofit Magnetic Toilet Seat is a simple conversion k
Clesana Power Management (without cable) is a relay module built for t
Clesana Liquid Insert is a purpose-made urine container for the Clesan
Clesana Water protection cover adds a simple barrier to stop spray rea
Clesana Replacement Body gives you a straightforward swap for an insta
Clesana C1 Toilet L-Adapter fits the C1 into spaces built around Thetf
Clesana Round Base sets up the Clesana C1 for free placement in a room
Clesana Control panel gives you straightforward control of a Clesana t
Clesana C1 Cover Plate tidies the cassette drawer opening when you fit
Original Clesana C1 glasses with lid with soft-close function. Mat
Clesana PTFE band sits over the welding wire on your Clesana toilet an
Clesana Super Absorber 20 Bags for Waterless C1 Toilet is a simple add
Clesana Barrier Foil Liner for Waterless Toilet C1 fits the Clesana C1
Clesana Power-Management incl. cable puts the relay and DC DC charger
Frequently Asked Questions
How does the Clesana C1 thermo-pressure sealing system work?The Clesana C1 uses patented thermo-pressure welding technology that automatically seals waste in medical-grade barrier foil bags. After pressing either the "BIG" or "SMALL" flush button, the system creates heat and pressure to weld the foil shut within 60 seconds, then lines the bowl with fresh foil for the next use.What makes Clesana's odour barrier superior to other waterless toilets?Independent testing by the Fraunhofer Institute confirms Clesana's high-barrier film provides odour protection over 800 times better than competing systems. The multi-layer barrier foil made from Polyethylen, Polyamid, and EVOH creates an impermeable seal that prevents odours, germs, bacteria, and viruses from escaping for extended periods.How much power does the Clesana C1 toilet consume?The Clesana C1 consumes minimal power: just 0.55Wh per sealing cycle and 0.28Wh in standby mode. A standard 92Ah leisure battery can power over 1,000 sealing cycles, or run the toilet in standby for 81+ days. This makes it ideal for off-grid use with solar power systems.Can the Clesana C1 replace my existing Thetford cassette toilet?Yes, the Clesana C1 with L-adapter is specifically designed for easy retrofitting of Thetford C220 and C260 series toilets. The installation uses the existing mounting points and seals the external service opening. Professional installation takes approximately 6 hours and includes the new control panel and 12V wiring.What can be disposed of in a Clesana C1 toilet?The Clesana C1 safely seals human waste, toilet paper, feminine hygiene products, vomit, food scraps, and diapers - items that would damage traditional cassette toilets. However, sharp objects and hot ashes should not be disposed of through the system. Each barrier liner accommodates up to 40 uses before replacement.How environmentally friendly is the Clesana C1 compared to chemical toilets?Life cycle assessments using the ReCiPe method show the Clesana C1 outperforms chemical toilets in all environmental categories: 10% lower CO2 footprint, up to 124% less soil acidification, 63% lower freshwater ecotoxicity, and 115% lower human toxicity. The system uses no water or chemicals, and bio-based barrier films are being developed.Why was the Clesana C1 originally developed for medical use?The Clesana C1 was originally developed for the Swiss Federal Office for the Environment to protect water from pharmaceutical contamination including drug residues and hormones. The medical-grade sealing technology prevents any leakage of contaminated waste, making it ideal for clinical use and earning trust from healthcare facilities requiring the highest hygiene standards.
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