Trane WHL0491 Blower Wheel 30067439-890 pressing the manual override button

pressing the manual override button on the side of the housing simplifies positioning the valve during power outages or system testing

preventing compressor overheating or uncontrolled discharge temperatures

The NEMA 1 enclosure and 1/4" SAE male flare fitting allow for straightforward integration into HVACR systems using R12

vibration-resistant fit to prevent electrical arcing or loose connections

but the actuator should never be positioned below the valve body to prevent moisture damage from potential pipe condensation

Trane WHL0491 Blower Wheel 30067439-890 pressing the manual override buttonThe Trane WHL0491 blower wheel is a precise OEM replacement centrifugal fan component engineered for high static residential and light commercial HVAC applications. Featuring a 9 inch diameter and 7 inch width, this double inlet blower wheel is specifically designed with a clockwise (CW) rotation and a 1 2 inch bore hub to ensure a perfect fit on standard motor shafts. Constructed from heavy duty galvanized steel, it maintains structural integrity