Swiss Engineered C1 L-Adapter Base The Clesana L-Adapter (UV) is designed to facilitate the easy retrofitting of the C1 waterless toilet. It is compatible with toilets based on the Thetford C220 and C260 series, allowing a smooth and secure connection during installation. It can also be used in stationary applications and mounted to a floor. Genuine Factory Spare Component Ensure the longevity and performance of your system by using only official components. View all Parts & Accessories Return to Toilets Installation Support Stability and Alignment The L-Adapter base acts as a reliable mounting profile that simplifies retrofitting. By matching standard washroom plumbing patterns and providing stationary floor anchoring, it ensures a secure and clean installation. C1 L-Adapter Easy Retrofitting Specifically designed to facilitate the hassle-free installation of the C1 waterless toilet. Thetford Compatible Allows a smooth and secure connection with washroom plumbing based on the C220 and C260 series. Stationary Mounting Versatile base plate structure can also be used in stationary applications and mounted to a floor. Questions? Call Us 1-844-603-4743 Application & Use The Clesana C1 L-Adapter Base is used during the retrofitting process of a Clesana C1 toilet to establish a safe, moisture-tight, and perfectly aligned footprint. Retrofit Alignment: Guarantees clean spacing when removing older cassette systems in mobile caravans and camper washrooms. Stationary Anchoring: Offers mounting support points for direct installation onto wood, concrete, or composite flooring. Plumbing Relief: Distributes structural weight evenly, protecting waste connections and minimizing vibration and stress while traveling. Typical installation locations include: Caravan washrooms replacing old Thetford C220 series toilet units Motorhome bathrooms replacing old Thetford C260 series configurations Off-grid custom cabin structures utilizing a stationary, floor-mounted setup Technical Specifications Model Name Clesana L-Adapter (UV) Base Configuration C1 L-Adapter Base Material ABS, White Compatible Toilets Clesana C1 waterless series Plumbing Compatibility Thetford C220 and C260 series Mounting Style Wall/Floor-Mount Retrofitting Ideal For Mobile caravans, motorhomes & stationary cabins Premium Off-Grid Solutions. The Cabin Depot Ltd.