High-Pressure Tolerance: The specialized bronze composition allows for safe operation at initial supply pressures reaching 300 psi (21 bar)

Reliable Igniter Timing: Optimized DSI sequences reduce nuisance lockouts and improve cold-weather startup reliability

It is critical to verify if your specific heater build uses the 5K (Black leads) or 10K (Red leads) thermistor to ensure the logic matches the resistance curve for accurate setpoints

and Evcon families

enhancing system feedback and automation control

Williams P500420 Gas Valve 319825-402 High-Pressure Tolerance: The specialized bronzeAs a seasoned tech, you know that maintaining precise manifold pressure is non negotiable for system safety and combustion efficiency. The Williams P500420 Gas Valve is an OEM replacement gas valve engineered specifically for Williams Comfort Products heating systems. This 10. 5" WC LP gas valve is factory calibrated for liquid propane (LP) applications, ensuring the correct fuel to air ratio for high output furnace gas valve performance. Whether you