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

You must pair it with a compatible Danfoss solenoid coil (such as a 120V or 24V AC/DC clip-on version) based on your system's electrical requirements

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

Always verify the Full Load Amperage (FLA) and Locked Rotor Amperage (LRA) on the motor nameplate against the ratings inside the control cover before installation

This unit is engineered to handle a maximum supply pressure of up to 300 PSIG (20

Williams P500420 Gas Valve 319825-402 It is critical to verifyAs 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