Fan Speed Controller Tune your system; ideal for use with single fan condenser units. Controls head pressure of systems by increasing and reducing the fan speed balancing temperature of the condenser coil. Downloads Download Tech Sheet WHERE TO BUY Find a Supplier Key features Available for cooling only Optional heat pump model for connection to the reversing valve Condenser temperature coil sensor Product - Part No. FSC Cooling - FP2094 FSC Heating - FP2095