This replacement piece is built for technicians who prioritize factory-standard performance and safety when performing routine maintenance or complete system overhauls

Ensure all connections are leak-tested and the manifold pressure is checked with a manometer during the commissioning process for reliable contractor-grade results in the field

the Nordyne 921733 is designed to withstand the vibration and thermal cycling typical of high-efficiency cooling cycles

Direct Fit Compatibility: Standard 3/8" x 1/2" connections ensure a straightforward HVAC installation process for technicians

Optimized Heat Transfer: The 40W output is calibrated specifically for 480V circuits to provide consistent thermal energy without overheating the sump

Lennox 21708 Blower Wheel 321894-708 This replacement piece is builtThe Lennox 21708 Blower Wheel is a high precision OEM replacement part engineered for demanding air distribution in residential and light commercial HVAC units. Featuring a 10 x 8 1 2 inch configuration and a 1 2 inch bore, this direct drive blower wheel is built to maintain tight tolerances and static pressure requirements in Lennox furnaces and air handlers. With 48 precisely pitched blades, this CW rotation blower wheel (clockwise from the hub end)