The Hoffman Specialty 401629 is rated for a maximum operating pressure of 15 PSI

it should only be used momentarily by a licensed technician to diagnose circuit continuity

direct replacement for AP13156

The Copeland Comfort Control (Alco) 047608 Filter Drier

Adjustable 0

Velocity Boiler Works (Crown) 960122 Rollout Switch 322838-753 The Hoffman Specialty 401629 isThe Velocity Boiler Works 960122 Rollout Switch is a critical safety component designed for gas fired natural draft water boilers and industrial heating systems. Engineered as a high limit safety device, this 240C flame rollout switch monitors the burner area for excessive heat rollout, which often indicates a blocked flue or a compromised heat exchanger. Upon detecting temperatures exceeding its 240 degree Celsius threshold, the switch breaks the