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or agricultural dust
it meets rigorous factory specifications for fit and function
Built with a rugged bronze body and a corrosion-resistant stainless steel spring
Always verify temperature rise across the heat exchanger when replacing this limit control
Technicians look for physical signs like a "domed" or bulging top
Lochinvar & A.O. Smith 100166057 Pressure Switch 323613-751 or agricultural dustAs a seasoned technician, you know that a failing Lochinvar & A. O. Smith 100166057 Pressure Switch is often the silent culprit behind "no ignition" service calls. This OEM replacement air pressure switch is a critical safety component designed to verify proper inducer motor operation and flue venting before allowing the ignition sequence to proceed. Engineered for high recovery commercial water heaters and boilers, it features a precise 0. 95" WC