Reznor 84853 Burner Orifice it provides the exact resistance

it provides the exact resistance values and switching points required by the control board to prevent short-cycling and unnecessary auxiliary heat engagement

If the switch is open (no continuity) at room temperature

Optimized Combustion: Helps maintain proper gas flow

This prevents common issues like "lazy flames

Reznor 84853 Burner Orifice it provides the exact resistanceFor veteran technicians servicing industrial heating systems, the Reznor 84853 Burner Orifice is a critical precision engineered component for maintaining stoichiometric combustion. This #47 brass burner orifice is specifically machined to meet rigid OEM tolerances for Reznor unit heaters and gas fired equipment. Constructed from high grade, corrosion resistant brass, this spud style orifice ensures a stable gas flow rate, which is essential for