Lochinvar & A.O. Smith 100110176 Limit Switch 321702-401 It should be installed above

It should be installed above the valve body in horizontal piping

Ensure the transformer provides sufficient VA capacity to handle the solenoid pull-in and holding current during the ignition cycle

Can I adjust the factory calibration

Efficient Field Service: Pre-stripped 1/4" Q

As a manual reset furnace rollout switch

Lochinvar & A.O. Smith 100110176 Limit Switch 321702-401 It should be installed aboveThe Lochinvar & A. O. Smith 100110176 Limit Switch is a critical safety component designed for high performance commercial and residential water heating systems. As a fixed high limit control, this SPST (Single Pole, Single Throw) device features a manual reset mechanism, ensuring that the system remains offline for professional inspection should temperatures exceed the safety threshold. Engineered for precision, the 100110176 limit control is