Lochinvar & A.O. Smith 100111732 Pressure Switch 322838-752 replacing it with a new

replacing it with a new 29388 control board typically resolves this failure

By effectively directing flue gases toward the draft inducer

a failing inducer blower

This valve is specifically calibrated for use in R-410A systems

The control features a "Sight-Set" calibrated scale

Lochinvar & A.O. Smith 100111732 Pressure Switch 322838-752 replacing it with a newThe Lochinvar & A. O. Smith 100111732 Pressure Switch is a critical safety component engineered for high efficiency boilers and commercial water heaters. This . 75" WC air pressure switch (normally open) is designed to monitor the pressure differential across the heat exchanger, ensuring that the inducer motor is moving a sufficient volume of combustion air before the ignition sequence initiates. As a veteran preferred OEM replacement part, the