While optimized for 110/120V AC coils

common in Rheem and Ruud air handlers

ensuring seamless communication with the ignition control board during the heating cycle

Built to withstand the high thermal stress of York HVAC parts environments

preventing combustion byproduct bypass and maintaining the integrity of the chimney-vented system

Conbraco 20-104-03 Valves Els PW 17895 While optimized for 110/120V ACThe Conbraco 20 104 03 is a professional grade rough bronze water gauge valve set engineered for reliable liquid level verification in commercial boiler and tank applications. This 1 2" MNPT liquid level gauge features a standard pattern design with high strength ASTM B584 bronze construction to ensure long term structural integrity under thermal stress. The set includes top and bottom valves equipped with Teflon stem packing and EPDM glass seals,