maintain your rv propane-powered water heater only two-stage modulating combustion let us install it-members sale $417 foam insulation corrosion resistant porcelain-lined steel tank replaceable anode rod porcelain steel lined tank is built just like longer lasting residential requires inside mounted switch for control of water heater gas ignition heater gas ignition let us install it- members sale $417 installation and service must be performed by a qualified installer service agency or the gas supplier optional incoloy electric element easy-access controls item # btu galllons rec gph members sale reg heater conversion kit let us install it - members sale $139 best seller! attracts corrosive elements in water so they attack the anode rod rather than let us install it- members sale $30.58