The Model 7000 is designed for air conditioner to heat pump conversions (single or 2-stage). It provides R, C, G, W, O/B, Y1 & Y2 from the thermostat to the furnace or fan-coil over a 4-wire cable. From the furnace or fan-coil to the outdoor unit it provides R, C, O/B, Y1, Y2, W (defrost) over a 2-wire cable. The FAST-STAT receiver is installed at the furnace or fan coil. The sender wires are connected to the thermostat and the thermostat cable. The control wiring takes about 10 to 15 minutes to complete as opposed to as much as an hour for some repull jobs. FAST-STAT comes with industry standard color-coded lead wires that are 10 inches long for easy connections. The receiver also comes with adhesive tape for fast mounting and also has screw mounting tabs. There are no batteries to install or replace. Every FAST-STAT model is designed for a minimum 50-year maintenance-free service life. Should a problem occur, all FAST-STAT models come with a lifetime free replacement warranty.