Lochinvar & A.O. Smith 100109721 Upper Probe THPU32HP7Y adapting to various HVAC control

adapting to various HVAC control panel layouts

Use a manometer to check the actual pressure drop at the port

replacing the inducer assembly is often necessary to restore the sequence of operation

because this is a dual-voltage motor

Lochinvar & A.O. Smith 100109721 Upper Probe THPU32HP7Y adapting to various HVAC controlThe Lochinvar & A. O. Smith 100109721 Upper Probe is a critical OEM replacement part engineered for the inner control assembly of high efficiency commercial water heaters. As a high performance hot surface igniter, this 100109721 probe is essential for ensuring reliable ignition cycles and precise flame sensing in BTH Series units. Designed to meet exact factory specifications, it eliminates the common failure points associated with generic