Fast-Stat Model 9000 HVAC Wiring Extender

The Model 9000 extends the wiring between a heat pump and indoor unit when upgrading from an air conditioner. For air conditioner to heat pump conversions. Extends the wiring between the indoor unit and heat pump. Provides Y1, Y2, O/B, and W over the 2-wire condenser cable. If the thermostat cable does not require more wires, a Model 9000 can be used to extend only the wiring from the indoor unit to heat pump. Product is only to be installed by a qualified heating and cooling technician