Lochinvar & A.O. Smith 100171948 Gas Valve Kit 323613-751 the "T" handle range screw

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

Smith 100109253 Pilot Assembly is a critical OEM replacement component designed specifically for flammable vapor ignition resistant (FVIR) residential water heaters

it serves as a direct 0131L00000S replacement motor

this primary heat exchanger assembly is built to withstand extreme thermal cycling while preventing hazardous combustion gas leaks

Lochinvar & A.O. Smith 100171948 Gas Valve Kit 323613-751 the "T" handle range screwThe 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