PrecisionTemp RV-550 Tankless Water Heater - Wall Vented Designed specifically for RVs, trailers, tiny homes, cabins, mobile washing services, and more Takes up 1/2 the space and weighs 1/3 as much as a 10-gallon tank No pilot light and very high propane efficiency Reliable, proven VariFlame technology control system Designed, assembled and tested in the USA