Lennox 71W48 .034 Lp Gas Orifice

Lennox 71W48 0.034 Lp Gas Orifice is a small but vital piece of an HVAC unit that many Lennox units use to burn propane or liquefied petroleum (LP) gas. It has a big role in controlling the path of gas into the gas burner for safe and efficient combustion. The .034 inches orifice is precisely calibrated to fit the exact same gas pressure of the Lennox unit.' The amount of gas fed to the burner is the right one which is satisfied by a properly sized orifice. Despite its small size, an errant orifice could end up costing you a lot in terms of a defective orifice can cause incomplete combustion leading to wasted fuel and less heating efficiency or even having your pilot go out.