Lochinvar & A.O. Smith 100208470 Control Board 320819-301 The Honeywell VC8711ZZ11 functions as

The Honeywell VC8711ZZ11 functions as a high-performance 24V hydronic valve actuator designed for precise flow control in modern HVAC systems

it operates as a direct-fit solution for technicians looking to restore factory-spec heating system performance without specialized field modifications

Is the shaft size compatible with standard blower wheels

it prevents performance fluctuations

Compatible with Raypak Hi Delta and XTherm models

Lochinvar & A.O. Smith 100208470 Control Board 320819-301 The Honeywell VC8711ZZ11 functions asThe 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