Lochinvar & A.O. Smith 100208488 Relay Board R-410A and coil-hum resulting from worn

and coil-hum resulting from worn core assemblies

What equipment is this compatible with

Common Questions: What is the primary application for the 0881404 gasket

Always check your tubing diameter before installation

Does this valve include the LP conversion kit

Lochinvar & A.O. Smith 100208488 Relay Board R-410A and coil-hum resulting from wornThe Lochinvar & A. O. Smith 100208488 Relay Board is a critical OEM replacement part engineered for high performance hydronic heating and water heating systems. As the direct replacement for RLY2049, this board facilitates precise communication between the Smart System control module and peripheral components, including pumps, fans, and gas valve relays. Designed for Lochinvar Knight boilers and A. O. Smith commercial units, it ensures accurate