Water gas heat exchanger Ob250 Fm De Dietrich JJJ000154069

The water gas heat exchanger Ob250 Fm is a key component in condensing boilers, transferring heat from combustion gases to water efficiently. Designed for the Ob250 model, it maximizes energy recovery and reduces fuel consumption. This heat exchanger is constructed from corrosion-resistant materials to withstand acidic condensate. Replacing a damaged or leaking heat exchanger with this part can restore your boiler's efficiency and extend its service life.