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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Precision Engineering: The 1
Durable Construction: Built to withstand commercial HVAC environments
Precision Balanced: Minimized vibration protects the blower motor bearings and extends the operational life of the unit
making it ideal for large plenum applications where accurate temperature sensing is required
Lochinvar & A.O. Smith 100208377 Pressure Switch 318973-401 Precision Engineering: The 1The Lochinvar & A. O. Smith 100208377 Pressure Switch is a critical safety component designed for precise combustion blower monitoring in high efficiency condensing water heaters and boilers. This OEM pressure switch kit is factory calibrated to a 3. 00" WC (Water Column) set point, ensuring the integrated control board verifies proper venting and inducer fan performance before allowing the ignition sequence to proceed. It is a direct replacement for