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Signal Stability: Delivers a consistent electrical output (4
making them interchangeable in all supported HVAC systems
Verify your specific manifold port size before installation
this replacement reservoir lid maintains the structural integrity of the water tank system
the internal diaphragm or solenoid coil has likely failed
Lochinvar & A.O. Smith 100318326 Pressure Switch 318172-701 Signal Stability: Delivers a consistentThe Lochinvar & A. O. Smith 100318326 Pressure Switch is a critical safety component designed for precise water pressure monitoring in high efficiency Noble Fire Combi Boilers and NKC series units. Engineering to detect low water pressure conditions, this switch acts as a primary fail safe, preventing dry fire scenarios and potential heat exchanger damage by ensuring the burner circuit remains open unless sufficient system pressure is established.
