Reznor 196855 Burner Orifice 320074-702 this control is strictly for

this control is strictly for single-stage furnace control applications

This part fits a wide range of York systems

ensuring a perfect 7/16-20 SAE thread match

What air handler models are compatible with this 5kW kit

Reznor 196855 Burner Orifice 320074-702 this control is strictly forThe Reznor 196855 Burner Orifice is a high precision OEM replacement part engineered for specific commercial and industrial gas fired unit heaters. This #19 drill size orifice is factory calibrated for natural gas (NG) applications, typically found in PREEVA series units like the Reznor SDH 75 or Reznor RDH 75. In a combustion system, the orifice is a critical component that meters the fuel flow to the burner assembly. A worn or mismatched burner gas