and commercial boilers

This bronze body steam regulator is specifically designed for applications requiring precise downstream control

Common failure points include pitted or "welded" contacts that keep the outdoor unit running indefinitely

making it a robust choice for technicians servicing residential and commercial HVAC units

this media should be replaced every 6 to 12 months

Lochinvar & A.O. Smith 100167774 Control Board 322027-701 and commercial boilersThe 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