Lochinvar & A.O. Smith 100171948 Gas Valve Kit 323613-751 and this kit should not

and this kit should not be used

the "T" handle range screw provides an ergonomic interface for field-adjusting the throttle point

you must verify the specific orifice and spring kit requirements recommended by the equipment manufacturer

A compatible LP conversion kit must be used to ensure the correct spring and orifice settings for safe operation

ensuring consistent climate control across heating and cooling cycles in residential or light commercial environments

Lochinvar & A.O. Smith 100171948 Gas Valve Kit 323613-751 and this kit should notThe 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