Trane FAN3995 Fan Blade 30067439-890 if there is significant non-conductive

if there is significant non-conductive scale buildup that cannot be cleaned

When temperatures reach the upper 160

it supports a 2-second on-delay to protect against compressor short cycling

the internal spring is rated for 4" to 8" water column

Trane FAN3995 Fan Blade 30067439-890 if there is significant non-conductiveThe Trane FAN3995 Fan Blade is a critical performance component engineered for high static condenser and air handler applications. This heavy duty 23. 4 inch diameter fan blade features a precision stamped 2 blade swept design, specifically optimized to maximize airflow while reducing vibration and operational noise in residential and light commercial systems. With a 32 degree pitch and CCW rotation, it provides the necessary aerodynamic lift required