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This is an integrated electronic control valve designed for specific spark-ignition systems
The low-voltage 24 VAC supply and flame-retardant plastic enclosure make it a standard choice for field replacements and new installations alike
reducing the need to carry multiple SKUs for different control voltages
Are the end connections compatible with standard copper tubing
maintaining the torque and efficiency required for demanding cycles
Lochinvar & A.O. Smith 100208470 Control Board 321894-706 This is an integrated electronicThe 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
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