Onsen 3.0 RV / Marine Diaphragm 12V Water Pump (USED)* upsell-vent-components Fueled by propane or natural

Fueled by propane or natural gas

Easily flush and descale your Onsen 14L or 26L tankless water heater with the Onsen service valve kit

and features a direct vent system that pulls air from the outside

Onsen is the only portable water heater on the market featuring a dual-ignition system with two convenient options to choose from when you're venturing outdoors

Wall Thimble

Onsen 3.0 RV / Marine Diaphragm 12V Water Pump (USED)* upsell-vent-components Fueled by propane or naturalIMPORTANT: ALL REFURBISHED USED PRODUCTS ARE COVERED BY A 1 YEAR LIMITED WARRANTY. The Onsen 3. 0 RV Marine Diaphragm 12V Water Pump is designed to bring water pressure to cabins, boats, RV fixtures and tankless water heaters. Featuring noise absorbing mounts for quiet operation and factory calibrated for seamless installation with portable tankless water heaters such as the Onsen 5L and 10L, the 3. 0 GPM, 12V Onsen pump is an integral part of any off