Reznor 13589 Shaft 320734-701 making it compatible with a

making it compatible with a wide array of OEM furnace and air handler brands

this component prevents hazardous unburned gas buildup by signaling an immediate safety shutdown if flame drop-out occurs

and 3200 series

External Equalization: Provides improved response time and sensitivity compared to internally equalized models for complex piping layouts

Reznor 13589 Shaft 320734-701 making it compatible with aThe Reznor 13589 Shaft is a critical mechanical component engineered specifically for high bay unit heaters and industrial air handlers. This precision machined fan blower shaft is designed to withstand high torque loads and constant rotational stress in commercial heating environments. It serves as the primary load bearing interface between the motor and the blower assembly, ensuring perfect alignment to prevent premature bearing failure or excessive