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Optimized Defrost Logic: Provides accurate sensor feedback to the control board
Delivering 50 in-lb of torque
Integrated Barbed Fitting: Facilitates accurate pressure monitoring and air-fuel ratio maintenance for safety compliance
Always verify the relief valve flange size before installation
Lochinvar & A.O. Smith 100167835 Control 320734-701 Optimized Defrost Logic: Provides accurateThe Lochinvar & A. O. Smith 100167835 Control is a critical integrated control board engineered specifically for the Knight WH199 wall mount boiler series. Designed for peak hydronic heating performance, it serves as the central intelligence for your appliance, managing the firing rate, combustion fan speed, and multi zone pump logic. This OEM replacement part replaces previous iterations with improved firmware to handle sophisticated modulating
