this board regulates the sequencer operation and thermal limit monitoring to prevent system overheating

it handles media temperatures up to 150°F

Which Williams furnace models use the 9A409 bracket

Built with a heavy-duty plated steel frame and a NEMA 1 non-conductive enclosure

The Reznor 236159 Ventor Motor is the heavy-duty OEM combustion air solution for high-capacity unit heaters

Lochinvar & A.O. Smith 100110706 Thermostat Valve 322056-301 this board regulates the sequencerThe Lochinvar & A. O. Smith 100110706 Thermostat Valve is a critical combustion control component designed for high recovery commercial water heaters and boilers. Engineered to manage 4" WC Natural Gas supply pressures, this valve integrates a precise sensing bulb to maintain consistent water temperatures within the storage tank. As a direct OEM replacement part, it ensures proper manifold pressure and safe ignition cycles for units requiring a gas