Lochinvar & A.O. Smith 100208493 Board 319847-401 Corrosion-Resistant Housing: The Emerson Alco

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

this zinc-plated steel rod resists deflection under high torque loads

A 3-speed furnace motor allows the system to utilize different airflow volumes for heating

low-resistance interface between the ignition control module and the electrode assembly

Lochinvar & A.O. Smith 100208493 Board 319847-401 Corrosion-Resistant Housing: The Emerson AlcoThe 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.