depot pull
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it prevents performance fluctuations
heat timing
Compatible with Raypak Hi Delta and XTherm models
it operates as a direct-fit solution for technicians looking to restore factory-spec heating system performance without specialized field modifications
If end-of-travel feedback is needed for the controller
Lochinvar & A.O. Smith 100208470 Control Board 320819-301 it prevents performance fluctuationsThe 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