Reznor 196688 Air Restricter Enhances manual control accuracy during

Enhances manual control accuracy during initial setup and seasonal re-calibration

Conductance Reliability: Provides a stable electrical path for liquid level controllers to prevent dry-fire conditions in commercial boilers

Maintains airtight combustion seals to prevent carbon monoxide leakage into the living space

What gases is this spring compatible with

Reznor 196688 Air Restricter Enhances manual control accuracy duringThe Reznor 196688 Air Restricter is a critical combustion air management component engineered specifically for Reznor UDAP and UDAS unit heaters. This primary air restrictor is precision stamped to regulate the volume of air entering the venter motor assembly, ensuring the stoichiometric ratio remains within factory tolerances. Maintaining the correct combustion air flow is essential for preventing premature heat exchanger fatigue and ensuring stable