Trane FAN3045 Fan Blade 321702-401 Chattering is often caused by

Chattering is often caused by insufficient coil voltage or debris in the magnetic core

which is critical for protecting the heat exchanger and maintaining indoor air quality

securing the efficiency of the compressor circuit

This 24V AC 60Hz coil features Class F insulation

Heavy-Duty Construction: Built to withstand high-temperature flue environments

Trane FAN3045 Fan Blade 321702-401 Chattering is often caused byThe Trane FAN3045 Fan Blade is a critical replacement component designed for high performance HVAC condenser units. Engineered with a 22 inch diameter and a 26 degree pitch, this 3 blade aluminum fan is optimized for precise airflow management in residential and commercial cooling systems. It features a 1 2 inch bore and is designed for counter clockwise (CCW) rotation, ensuring a direct drop in fit for compatible Service First and American Standard