Lochinvar & A.O. Smith 100109740 Gas Valve 320788-704 the PW2LX04S provides the accuracy

the PW2LX04S provides the accuracy and field-configurability required for professional-grade automation

This model facilitates O and B terminals for reversing valve control

Whether you are servicing a Trane or American Standard furnace

Fuel gases require specific regulators with left-hand threads for safety compliance

Does this kit include the oil supply fittings

Lochinvar & A.O. Smith 100109740 Gas Valve 320788-704 the PW2LX04S provides the accuracyThe 100109740 gas control valve is a critical direct replacement component designed for compatibility with high efficiency Lochinvar Knight and A. O. Smith condensing boilers. This precise negative pressure gas valve manages the fuel to air ratio, ensuring efficient combustion across varying modulation rates. Engineered for natural gas (NG) applications, this valve features a reliable solenoid actuator and a finely tuned internal regulator to maintain