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the element is likely cracked or degraded and requires replacement
Common Questions: Which valve models are compatible with the ASCO 304-361
How do I troubleshoot a failure to ramp up
this power assembly ensures precise superheat control across a wide operating range from -10°F to 60°F
slip-free performance
Lochinvar & A.O. Smith 100208493 Board 320734-701 the element is likely crackedThe 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.