Lochinvar & A.O. Smith 100167774 Control Board 322838-754 using a genuine Carrier ignition

using a genuine Carrier ignition wire ensures that the dielectric strength meets the original factory design

Serviceability: Manual override button allows technicians to manually position the valve during commissioning or power loss

As a specific HVAC collector box

Environmental Protection: NEMA 4 enclosure rating ensures performance in high-moisture or hose-down locations

The Functional Devices RIB2401B is a true workhorse for HVACR technicians

Lochinvar & A.O. Smith 100167774 Control Board 322838-754 using a genuine Carrier ignitionThe Lochinvar & A. O. Smith 100167774 Control Board is a critical OEM replacement part designed specifically for the Lochinvar Knight XL KBN399 series heating boilers. As an integrated main control board, it manages the entire sequence of operation, from initial ignition control to flame sensing and blower motor timing. This board is engineered to interface seamlessly with commercial water heaters and high efficiency boilers, ensuring precise water