Universal Fitment: Standard 1/2" x 3/4" NPT connections allow for streamlined integration into existing gas manifold setups

it simplifies field service and minimizes downtime by ensuring stable signal processing and burner cycles

This keeps the connection cool and extends the service life of the restring kit

The 354081 is the replacement sensor probe only

Its rugged construction ensures the York temperature probe resists vibration and thermal stress within high-velocity air streams

Lochinvar & A.O. Smith 100109724 Valve 318820-201 Universal Fitment: Standard 1/2" xThe Lochinvar & A. O. Smith 100109724 Valve is a direct fit OEM replacement gas control designed specifically for high efficiency water heaters and residential power vent boiler systems. This natural gas valve operates on a 20V ignition circuit, featuring a 1 2" NPT inlet and a factory set 4" WC manifold pressure to ensure precise fuel to air ratios and stable combustion cycles. Engineering specifications for the 100109724 include a 1 1 4" shank