factory-spec finish on CW Series models

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

using the correct OEM-spec Maxitrol R11110-512 ensures the assembly meets its original 1/2 PSI rated pressure performance standards without the need for entire valve replacement

making it ideal for compact compressor compartments

Using a spring with an incorrect color code will result in improper seat loading and an inability to reach the required set-point

Weil McLain 510-811-630 Conversion Kit Els PW 17895 factory-spec finish on CW SeriesWhen 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