OEM Compatibility: Serving as the direct successor to the 025-30919-000

this integrated furnace control manages critical timing and logic for the blower motor

providing the torque required for consistent airflow

or intermittent short-cycling due to the limit switch tripping from low airflow

Hydrotherm 60-4280 Sight Glass 326058-755 OEM Compatibility: Serving as theThe Hydrotherm 60 4280 Sight Glass is a heavy duty boiler gauge glass assembly designed for critical fluid monitoring in steam and hydronic heating systems. Engineered with borosilicate glass, this component provides high thermal shock resistance and structural integrity under significant operating pressures. As a direct OEM replacement part, it ensures precise water level visibility, which is essential for preventing dry firing and maintaining safe