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Typical causes include a cracked heat exchanger
Common Questions Is this motor compatible with 50Hz electrical systems
The Carrier 320788-703 Blower Housing is a critical OEM replacement part designed for high-performance residential and commercial HVAC systems
What is the close-off pressure rating for this valve
Lochinvar & A.O. Smith 100289391 Pressure Switch Els PW 17895 Typical causes include a crackedThe Lochinvar & A. O. Smith 100289391 Pressure Switch is a critical safety component engineered for high efficiency condensing water heaters and commercial boilers. Calibrated to a 0. 55" WC (Water Column) set point, this direct replacement for 100294588 monitors the induced draft blower to ensure proper venting of combustion gases. In the field, this switch is the primary defense against blocked flue conditions and inducer motor failure, preventing