members save suburban off installation propane-powered water heater only two-stage modulating combustion 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 or the gas supplier heater conversion kit optional incoloy electric element easy-access controls members item # btu galllons rec gph sale reg best seller! attracts corrosive elements in water so they attack the anode rod rather than
