Lochinvar & A.O. Smith 100208470 Control Board 318973-401 check the specific terminal unit

check the specific terminal unit submittal to ensure signal compatibility

along with the pilot tube

For continuous steam service

Contaminant Capture: Removes micronic particles that lead to premature wear and tear on sensitive internal HVAC components

ensuring the furnace meets its rated AFUE efficiency levels

Lochinvar & A.O. Smith 100208470 Control Board 318973-401 check the specific terminal unitThe Lochinvar & A. O. Smith 100208470 Integrated Control Board is a critical OEM replacement component engineered specifically for SYNC SBN1300 1500 condensing boilers. As a primary main control power module, this board facilitates precise management of the combustion process, including modulating firing rates and integrated modbus communication for advanced system networking. This unit serves as the direct replacement for obsolete Lochinvar RLY20055