This technical kit is essential for restoring the integrity of your HVAC refrigeration valve without requiring a full system pump-down or valve body replacement

allowing contractors to reuse existing equipment dials even though a no dial infinite switch is provided

Bearing Protection: Prevents moisture migration down the shaft into the motor housing

Common Questions Can I replace this packing gland while the system is hot and pressurized

Trane WHL0476 Wheel 30067439-890 This technical kit is essentialThe Trane WHL0476 is a heavy duty centrifugal blower wheel engineered for high static pressure applications in commercial and industrial HVAC systems. This OEM replacement part is built to the exact tolerances required for high volume airflow, featuring a 13 3 8 inch diameter and a 12 5 8 inch width. Designed for reliability in the field, it utilizes a 5 8 inch bore for a secure press fit or setscrew attachment to the motor shaft, minimizing vibration