You should measure the motor shaft using a digital caliper before installation to ensure a tolerance-fit match for the 1171781 blower wheel

Common Questions: What is the difference between the 40L and 40XL models

This auto-reset limit switch features a precision-calibrated 185-155F temperature range

delay timings

erratic combustion readings

Reznor 120875 Gas Connector 320735-701 You should measure the motorThe Reznor 120875 is a high performance 3 4" X 36" flexible gas connector engineered specifically for industrial and commercial HVACR applications. As an OEM Reznor gas connector, this component ensures a perfect fit and reliable seal for high BTU equipment, including Reznor TR, UDAS, and UDAP series unit heaters. The 36 inch length provides the necessary slack to absorb mechanical vibration and seismic movement, preventing stress fractures common in