Fast-Stat Model 3000 HVAC Wiring Extender

Model 3000 HVAC Wiring Extender The Model 3000 provides two additional control wires between a thermostat and indoor unit, or indoor unit and outdoor unit. Compatible with all 24VAC heating and cooling systems. The Model 3000 can provide a common connection ‘C’ using a thermostat cable with 3 or more wires. For adding a common with only 2 wires see the Model 5000 or Common Maker. Product is only to be installed by a qualified heating and cooling technician