The flange features a standard 1/2 inch NPT female thread

Ensure your next service interval meets factory specifications by utilizing authentic 100% OEM York gaskets designed for long-term reliability in demanding HVACR applications

Can I use this relay on 120V control circuits

Industrial-Grade Construction: Built to withstand the thermal stress of modern residential heating systems

factory-spec finish on CW Series models

Weil McLain 510-811-630 Conversion Kit Els PW 17895 The flange features a standardWhen you are tasked with a fuel transition for high efficiency hydronic systems, the Weil McLain 510 811 630 provides the precise components required for a field conversion from LP (Propane) to Natural Gas. Specifically engineered for GV series boilersmost notably the GV 5 modelthis kit allows for the recalibration of the combustion process to match the lower energy density and specific gravity of natural gas. As any veteran tech knows, the LP to NAT