Lochinvar & A.O. Smith 100166072 Pressure Switch avoid locations subject to excessive

avoid locations subject to excessive vibration or direct sunlight

or "metal-on-metal" clattering sounds during the blower cycle

Specifically engineered for larger 1" to 2" pipe sizes

it typically indicates a crack in the heating element that necessitates a replacement gas ignitor

Ensure the 216-259 MFD range matches your requirements

Lochinvar & A.O. Smith 100166072 Pressure Switch avoid locations subject to excessiveThe 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