Reznor 84853 Burner Orifice #47

The Reznor 84853 Burner Orifice 47 PSI is a gas metering component used to regulate fuel flow to the burner assembly in heating part. It operates by controlling the volume and pressure of gas passing through a calibrated opening, maintaining the proper fuel-to-air ratio required for stable combustion. It is commonly used in commercial heaters, furnaces and industrial gas-fired HVAC systems where accurate gas delivery is used for heating performance. The controlled flame operation contributes to efficient combustion and assists the burner system in maintaining consistent heating output during regular operating conditions.