supporting 0-145 PSI for air and water and 0-100 PSI for light oil

Durable Construction: High-grade aluminum provides excellent corrosion resistance and thermal stability

This suction line filter drier should be installed in the suction line

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

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

Hydrotherm 60-4280 Sight Glass 326058-755 supporting 0-145 PSI for airThe 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