Reznor 125566 Fan Blade R-22 This furnace limit control is

This furnace limit control is frequently used to resolve limit switch tripping issues caused by restricted airflow

Key Benefits Universal Compatibility: Serves as a drop-in replacement for the VEC-1053 and 2368-451

Supports consistent ignition across various Detroit Radiant burner configurations

the P170MA-18 ensures the system remains offline following a critical pressure surge until a technician can verify system integrity

the slow-opening timing is often required by the original equipment manufacturer (OEM) to prevent pressure spikes

Reznor 125566 Fan Blade R-22 This furnace limit control isThe Reznor 125566 Fan Blade is a critical OEM replacement component engineered for high efficiency airflow in commercial and industrial unit heaters. This specific 15. 5 inch diameter fan blade is precision balanced to minimize vibration and bearing wear on the blower motor. Featuring a 31 degree pitch and a 4 blade configuration, it provides the exact static pressure required for optimal heat exchanger cooling and heat throw. Designed for CW rotation