Lochinvar & A.O. Smith 100112662 High Limit 320074-702 The Williams P254000 Thermocouple is

The Williams P254000 Thermocouple is a high-performance flame sensing replacement designed specifically for Williams gas-fired furnaces and wall heaters

Can I use this board to replace a standard NXL I/O card

How do I know if I need the full total repair kit or just the rubber parts kit

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

necessary mounting bolts

Lochinvar & A.O. Smith 100112662 High Limit 320074-702 The Williams P254000 Thermocouple isThe 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