The positioning relay (such as the RL 147) must be purchased separately

ensuring performance stability during voltage fluctuations

blocked secondary heat exchanger

providing superior resistance to wear

the switch should show 0 ohms (closed)

Lau 60559201 Fan Blade 319847-401 The positioning relay (such asFor high demand mechanical cooling, the Lau 60559201 Fan Blade provides the durability and airflow performance required by industrial and large scale residential condensing units. This 20 inch condenser fan blade features a precision engineered 4 blade design with a 33 degree pitch to move 4,160 CFM at 1140 RPM. Built with high strength aluminum blades and a corrosion resistant center spider, it is specifically designed for CCW rotation (counter