Hydrotherm 59-1089 Air Filter 319825-402 The LEDs provide visual indicators

The LEDs provide visual indicators for specific faults such as locked rotor

Replacing a fouled or intermittent water heater pressure switch with this factory-spec component restores the integrity of the exhaust monitoring circuit and prevents nuisance lockout codes

Enhanced Airflow: Maximizes CFM (Cubic Feet per Minute) to ensure efficient thermal transfer across the condenser coils

This part is specifically engineered for Nordyne

Hydrotherm 59-1089 Air Filter 319825-402 The LEDs provide visual indicatorsThe 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