Lochinvar & A.O. Smith 100167835 Control 320788-703 How do I install the

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Lochinvar & A.O. Smith 100167835 Control 320788-703 How do I install theThe 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