Williams P200900 Combustion Chamber Face Gasket this clipped sensor mounts directly

this clipped sensor mounts directly onto 3/8-inch OD tubing

a heavy-duty regulator spring

you restore the valve’s flow characteristics without needing to replace the entire valve body

ensuring stability in unconditioned mechanical spaces

Precise Thermal Protection: Strictly calibrated to a 150-190°F range to protect the heat exchanger from cracks and heat-related failure

Williams P200900 Combustion Chamber Face Gasket this clipped sensor mounts directlyThe Williams P200900 Combustion Chamber Face Gasket is a critical sealing component designed specifically for Williams Forsaire Direct Vent wall furnaces. Engineered from high temperature resistant composite materials, this OEM replacement gasket ensures a gas tight seal between the combustion chamber and the burner assembly. Maintaining the integrity of this seal is vital for preventing the escape of combustion gases and heat into the living space,