Tankless Water Heater Replacement Parts

GlobalTowne sells replacement parts for all Bosch, Takagi and AO Smith gas, propane and electric tankless water heaters and electric mini-tanks. We list the most common Bosch, Takagi and AO Smith heat exchangers, water valves, gas valves, control boards, control boxes and hydrogenerator on this page. Call us at 888.726.9752 for pricing and availability on all other Bosch, Takagi and AO Smith parts.