How do the auxiliary circuits work

The 5/32" outer diameter tubing is optimized for standard pneumatic fittings

Common Questions What does it mean if the LED on the 100108926 is not flashing

This part is specifically engineered for Lennox HVAC models such as the AF90MPB

Lochinvar & A.O. Smith 100112662 High Limit Els PW 29614 How do the auxiliary circuitsThe Lochinvar & A. O. Smith 100112662 High Limit is a critical OEM safety control designed to prevent terminal damage in high output commercial and residential heating systems. Engineered for hydronic boilers and gas water heaters, this 165 degree limit switch monitors internal temperatures and breaks the electrical circuit if limits are exceeded. As a manual reset safety switch, it requires technician intervention to investigate the root cause of an