Reznor 10121 Blower Shaft 324846-701 This SPST normally open relay

This SPST normally open relay utilizes a skeleton construction (no enclosure)

ensuring a seamless seal without the need for field modifications

Always match the rotation of your original 1113971 to avoid reversing airflow and overheating the system

a different drain service kit may be required to match the higher condensate flow rates

Robust Design: Features an overmolded construction that resists vibration and environmental degradation in mechanical rooms

Reznor 10121 Blower Shaft 324846-701 This SPST normally open relayThe Reznor 10121 Blower Shaft is a critical HVAC replacement part engineered specifically for high capacity 350 400 MBH XE RXE duct furnaces. Measuring 1" diameter x 44 5 8" length, this precision ground shaft is manufactured by Nortek Global HVAC to meet exact OEM mechanical tolerances. For contractors performing a blower assembly repair, maintaining structural integrity is vital to prevent vibration and bearing failure. This OEM Reznor part ensures