Overview

When upgrading HVAC equipment, allows new functions (G, Y, W2, etc) to operate over the existing thermostat or condenser cable. The FAST-STAT product line does not require batteries or produce electrical interference.

Features

• Adds two wires to a thermostat or condenser cable.
• Typically used for adding air conditioning to a heat only system or upgrading from an air conditioner to a 2 stage heat pump.
• Can be used to add a common 'C' connection if the thermostat cable has 3 or more wires.