Lochinvar & A.O. Smith 100166072 Pressure Switch Serviceable Design: Durable construction allows

Serviceable Design: Durable construction allows for regular cleaning

making it the standard replacement for various mid-to-high-efficiency Lennox units

Test for 24VAC at the coil leads when the thermostat calls for a mode change (typically the "O" or "B" terminal)

It features a robust soft metal seat and a professional-grade stuffing box to ensure a leak-proof seal under demanding conditions

making it a direct fit for a wide range of residential and commercial air conditioning and refrigeration systems

Lochinvar & A.O. Smith 100166072 Pressure Switch Serviceable Design: Durable construction allowsThe Lochinvar & A. O. Smith 100166072 Pressure Switch is a critical safety component designed for precise vent pressure monitoring in high efficiency commercial boilers and water heaters. This genuine OEM replacement part, which is 100% identical to the Lochinvar PRS1016, ensures that the inducer blower is moving sufficient air to maintain a safe combustion environment. As a veteran technician knows, a faulty exhaust pressure switch is a common