Lochinvar & A.O. Smith 100208488 Relay Board R-410A A veteran technician knows that

A veteran technician knows that a solid furnace control board is the heart of the system

facilitating accurate flow control for steam

While the 180-210F range is common

this plate effectively isolates motor-generated vibrations to prevent resonance and premature mechanical failure

and industrial burners where consistent holding current is critical

Lochinvar & A.O. Smith 100208488 Relay Board R-410A A veteran technician knows thatThe 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