Hydrotherm 59-1089 Air Filter 319825-402 ensuring compatibility with most suction-side

ensuring compatibility with most suction-side service ports

extending the service life of the component

or a failing compressor motor pulling excessive amperage

including this model

Hydrotherm 59-1089 Air Filter 319825-402 ensuring compatibility with most suction-sideThe Hydrotherm 59 1089 Combustion Air Filter is a critical OEM filtration component engineered to maintain the stoichiometric balance and internal cleanliness of high efficiency condensation and hydronic heating systems. Specifically designed as a direct replacement for Hydrotherm boilers, this combustion air filter intercepts airborne particulates, dust, and environmental debris before they can reach the burner assembly. By providing a consistent