Lochinvar & A.O. Smith 100112662 High Limit 320074-702 Engineered to withstand rigorous cycling

Engineered to withstand rigorous cycling and vibration

Proper installation of this HVAC drain pan is critical for managing condensation and preventing moisture-related damage to the furnace or air handler cabinet

the Rheem-Ruud 42-24166-81 Pressure Switch is the definitive OEM replacement for maintaining the safety loop in two-stage gas furnaces

Failure to close is often caused by debris or pipe scale trapped between the disc and the seat

Lochinvar & A.O. Smith 100112662 High Limit 320074-702 Engineered to withstand rigorous cyclingThe 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