Cut water-heating costs by up to percent with the Bosch AquaStar 125B-NG tankless water heater. The 125B-NG is fueled by natural gas and heats water on . Bosch Aquastar 125B Gas Tankless Water Heater Repair Parts for heaters produced After February 2003.
Please check the chart if you are not sure. Bosch Aquastar 125B Repair Parts Selection Grid. Aquastar 125B Gas Tankless Water Heater Repair Part Grid.
Bosch Operating Instruction Water Heater 125B LP and 125B NG.
Jun 20- The Bosch Aquastar 125B gas tankless water heater was first manufactored back in the late 1980’s. G1-Water Valve Rebuild (125B, HX, HN, FX, EF-poly), Service Bulletins, Download (PDF MB). G1-Replacing Control Box (125X,FX), Service Bulletins . B (Newer one port), Installation Manual, Download (PDF MB).
My tankless water heater started acting up a couple of months ago and sometimes would not heat the water to warm. Bosch AquaStar Model 125B is the right size for most. With more than years of experience selling tankless water heaters, Controlled Energy Corporation .