Check your existing hardware or use a universal replacement dial calibrated to the 50-250F range

allowing downstream pressure to exhaust when reduced at the control knob

replacing a warped or unbalanced double inlet blower wheel restores smooth rotation and significantly reduces resonant noise in the cabinet

ensuring refrigerant valve compatibility with Carrier 38HD and 34SCA units

the wheel is likely out of balance or bent

Trane FAN1508 Fan Blade 340155-7024 Check your existing hardware orAs a veteran tech, you know that a high performance condenser system is only as reliable as its airflow components. The Trane FAN1508 Fan Blade is a critical OEM replacement part engineered for industrial and commercial HVACR applications requiring high volume heat exchange. With a 26" diameter and a 15 degree pitch, this 3 blade assembly is precision balanced to maintain optimal static pressure while minimizing vibrationextending the lifespan of your