Field Adjustable: The threaded arm allows for precise positioning of weights to calibrate the opening point based on the system’s total external static pressure

it is installed in series with the load

including 319824-402 and 320725-756 units

making it suitable for industrial burner assemblies

Flexible Mounting: Can be rotated 360 degrees after installation to solve wiring entry challenges in tight mechanical closets

Lochinvar & A.O. Smith 100171948 Gas Valve Kit 320734-701 Field Adjustable: The threaded armThe Lochinvar & A. O. Smith 100171948 Gas Valve Kit is a critical OEM component engineered specifically for the Knight WH199 wall mount boiler and compatible high efficiency water heaters. This assembly serves as the primary regulator for fuel delivery, ensuring precise negative pressure gas valve operation required for clean combustion and stable flame signals. Designed to interface directly with the Smart System control board, the kit includes the