Williams P322391 Thermocouple The durable red housing provides

The durable red housing provides clear identification in high-density electrical cabinets

The York S1-025-17620-014 is an automatic reset pressure control

This HVAC propane kit ensures the burner assembly operates within manufacturer-specified BTU inputs

Reusing a gasket risks steam cutting the flange faces

A lockout code specifically indicating "Flame Not Sensed" is often resolved by this part

Williams P322391 Thermocouple The durable red housing providesThe Williams P322391 Thermocouple is a high output OEM replacement part designed for precision flame sensing in Williams wall furnaces. This specialized thermocouple with junction box serves as the direct updated version for P321828, providing a seamless retrofit for older pilot assemblies. As a veteran grade furnace safety component, it features an integrated vent limit switch and a robust terminal block transition, ensuring the millivolt signal is