Lochinvar & A.O. Smith 100326994 Switch 322838-753 the 8221G31 requires a minimum

the 8221G31 requires a minimum pressure differential of 5 PSI to open

replacing this module typically resolves flame sensing and ignition faults

Can this be used in CO2 systems

The Utica-Dunkirk 240013045 Pressure Switch is a critical safety component designed for high-efficiency boilers and furnaces

It features two independent adjustment dials: a low-range 60° to 90°F scale and a high-range 80° to 180°F scale

Lochinvar & A.O. Smith 100326994 Switch 322838-753 the 8221G31 requires a minimumThe Lochinvar & A. O. Smith 100326994 is a professional grade L290F manual reset thermal switch designed for critical high limit safety applications in commercial and residential water heaters. As a direct replacement for legacy part 100167474, this manual reset limit switch ensures the burner circuit is interrupted if internal temperatures exceed the 290 degree Fahrenheit threshold. This component is essential for preventing hazardous overheating