Pay in 4 interest-free payments of $49.20 Learn more
Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
low-resistance interface between the ignition control module and the electrode assembly
A 3-speed furnace motor allows the system to utilize different airflow volumes for heating
Corrosion-Resistant Housing: The Emerson Alco moisture indicator features a robust brass body to withstand harsh mechanical room environments
Can I use this harness for 24V control signal troubleshooting
Can this unit be used for both pump control and low water alarm
Lochinvar & A.O. Smith 100208493 Board 319847-401 low-resistance interface between the ignitionThe 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.