Lochinvar & A.O. Smith 100326994 Switch 322838-753 replacing this module typically resolves

replacing this module typically resolves flame sensing and ignition faults

Exceeding this limit can cause permanent damage to the volatile liquid charge inside the capillary

They are technically identical in voltage

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

Lochinvar & A.O. Smith 100326994 Switch 322838-753 replacing this module typically resolvesThe 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