Williams P322055 Vent Safety Switch it is best practice to

it is best practice to mount the unit vertically with the coil terminals facing up or in a horizontal orientation

OEM Compatibility: Specifically engineered as a substitute for York 626245 and 626246

which indicates the belt has worn thin and lost its wedge-effect grip

Includes both 1-inch and 6-inch bronze paddles with mounting screws and washers for immediate field replacement

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

Williams P322055 Vent Safety Switch it is best practice toFor contractors servicing Williams Monterey Counterflow Top Vent Furnaces, the Williams P322055 Vent Safety Switch is the code compliant OEM replacement required to maintain the integral safety loop. This plunger style actuator switch is engineered for high sensitivity monitoring of flue gas temperatures and airflow obstructions. Designed for specific 35,000 BTU Monterey models, including units 3509821 and 3509822, it functions as a critical vent