Lochinvar & A.O. Smith 100167794 Control Board 320788-702 while the NEMA 4X enclosure

while the NEMA 4X enclosure provides superior protection against corrosion and water ingress

Common Questions Is the 99K65 compatible with LP systems

High-Temperature Durability: Engineered to resist warping and cracks caused by the high flue gas temperatures of Category I venting

Plug-and-Play Integration: Standard connector facilitates rapid field replacement for reduced system downtime

This Permanent Split Capacitor (PSC) motor operates at a synchronous speed of 1075 RPM and features 3-speed versatility

Lochinvar & A.O. Smith 100167794 Control Board 320788-702 while the NEMA 4X enclosureThe Lochinvar & A. O. Smith 100167794 Main Control Board is the critical OEM replacement part required for restoring precise logic and sequence of operation to high efficiency commercial water heaters and hydronic boilers. Designed to function as the primary HVAC integrated furnace control, this board manages ignition timing, flame sensing, and temperature modulation to ensure the unit operates within manufacturer parameters. As a genuine Lochinvar