Lochinvar & A.O. Smith 100167835 Control 320788-703 This spring is the standardized

This spring is the standardized replacement for the MP953 series

Key Benefits Precise 24VAC Output: Ensures stable power delivery to thermostats and ignition controls

Industrial Durability: The cast bronze construction and ANSI Class 250 rating provide high static pressure resistance for commercial-grade longevity

these carbon post-filters cannot be cleaned or vacuumed and must be discarded once the carbon is saturated

and gas valve does not exceed the VA capacity

Lochinvar & A.O. Smith 100167835 Control 320788-703 This spring is the standardizedThe 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