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and unbalanced voltage conditions before they cause catastrophic motor burnout
this specific kit includes the essential defrost control sensor/limit switch required for accurate temperature monitoring
maintaining the precise operational parameters required for efficient heating cycles and long-term HVAC system protection
extending the service life of the draft inducer
making it a high-performance solution for demanding HVACR systems
Lochinvar & A.O. Smith 100110811 Switch 321894-708 and unbalanced voltage conditions beforeThe 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
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