Lochinvar & A.O. Smith 100109204 Burner Assembly 321142-301 Stable Superheat Regulation: Engineered to

Stable Superheat Regulation: Engineered to provide consistent pressure drop across the orifice

The integrated compression ferrule and nut fittings are designed for 1/4" OD rigid or semi-rigid tubing (copper

preventing premature component wear and optimizing energy efficiency across the unit

Key Performance Benefits:

or the motor failing to spin despite receiving 120V power

Lochinvar & A.O. Smith 100109204 Burner Assembly 321142-301 Stable Superheat Regulation: Engineered toThe Lochinvar & A. O. Smith 100109204 Burner Assembly is a precision engineered OEM replacement part designed for high efficiency natural gas water heaters and specific boiler applications. This NAT FV burner assembly features a factory calibrated #31 orifice to ensure the correct BTU input and optimal combustion characteristics within the flammable vapor (FV) sealed chamber. As a seasoned technician knows, maintaining the integrity of the combustion