This specific model is charged for R404A

making it a drop-in solution for specific American Standard and Trane heating units

4 amps under full load

This HVAC gas valve is critical for restoring system performance in Lochinvar Knight and A

ensuring the valve remains open upon power loss

Lochinvar & A.O. Smith 100111591 Burner 320788-703 This specific model is chargedThe Lochinvar & A. O. Smith 100111591 is a high performance 14 inch burner assembly specifically engineered for commercial and residential natural gas (NG) water heaters and boilers. This OEM water heater burner features a factory calibrated #39 orifice to ensure precise gas to air mixing, facilitating optimal combustion efficiency and reducing pollutant output. Built to the rigorous standards of Lochinvar and A. O. Smith, this final burner assembly