providing a high-visibility LED signal that alerts personnel to equipment operation or fault conditions

the valve maintains a maximum working pressure of 500 psig and a Maximum Operating Pressure Differential (MOPD) of 300 psig

The 137000 includes a quick-change replaceable cartridge valve and strainer

Designed as the direct replacement for the legacy 35DP50000301 model

Williams 9940 Converter 321702-401 providing a high-visibility LED signalThe Williams 9940 Hard Wire Converter is a critical component for integrating modern electronic thermostats with older 24V furnace systems that lack a dedicated C wire. This HVAC power interface converts 115V line voltage into the 24V supply necessary to power digital controls, ensuring stable operation without battery drain. Designed specifically for compatibility with Williams furnace models and wall heaters, this 10VA rated converter facilitates a