this HVAC timer relay effectively prevents power surges and reduces the risk of expensive motor failure

including D

this specific model is optimized for 5/8" (16mm) shafts

and EGH models

The hinged cover design allows for easy maintenance access while the integrated eight-tumbler security lock prevents tampering with temperature settings

Williams P322055 Vent Safety Switch this HVAC timer relay effectivelyFor 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