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Reliable Sealing: High-quality NBR seals provide excellent resistance to water and light oils
slip-free performance
this power assembly ensures precise superheat control across a wide operating range from -10°F to 60°F
Common Questions: Which valve models are compatible with the ASCO 304-361
Lochinvar & A.O. Smith 100208493 Board 320734-701 Reliable Sealing: High-quality NBR sealsThe Lochinvar & A. O. Smith 100208493 Pump Relay Board is a critical OEM replacement component designed for high demand hydronic heating applications. Rated for 1. 5 HP pump motor control, this board serves as the primary switching interface between the boiler's integrated control logic and the external circulation pumps. It is specifically engineered for compatibility with Lochinvar Knight XL KB399 800 and FTXL series boilers, as well as several A.