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Always verify your specific model and serial number against the manufacturer’s parts manual to ensure a correct match
Can I clean this electrode instead of replacing it
If the internal element melts due to excessive heat
a full assembly replacement is required to maintain safety standards
Lochinvar & A.O. Smith 100110811 Switch 340793-762 Always verify your specific modelThe Lochinvar & A. O. Smith 100110811 Blocked Outlet Switch is a critical safety component designed for high efficiency commercial water heaters and boilers, including the Cyclone BTH and Armor series. This OEM pressure switch functions as a normally closed (NC) SPST contact, engineered to monitor flue gas backpressure. If the exhaust venting becomes obstructed or the pressure rises above the calibrated set point, the switch opens, breaking the 24V
