Robust construction designed to withstand repeated thermal cycling and manual strain on the control head

Featuring dryseal taper pipe threads

If your furnace burners shut off but the blower fan continues to run indefinitely

The deep-seated threads and consistent hex sizing allow for proper torque application

Reznor 40416 Orifice Robust construction designed to withstandFor service technicians maintaining Reznor unit heaters, the Reznor 40416 #57 Orifice is a critical OEM component for precise gas modulation and combustion safety. This #57 brass orifice plug is engineered specifically for propane (LP) gas conversion and manifold tuning, providing the exact flow diameter required to meet factory BTU specifications. When performing a Reznor gas conversion or replacing a fouled burner orifice, using a genuine Reznor