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Dampers, Dampers By Brand, Suncourt Dampers
The ZoneMasterT Zone Control Damper saves money on heating and cooling by controlling temperatures in individual rooms. Fits 10" duct. Power off = "closed." . The ZoneMasterT has a safe, low voltage motor . The ZoneMasterT is a tremendous energy saver . Free-wheeling coupling between motor and damper shaft for long life . Housing length is 8" . The ZoneMasterT comes with a 3 year limited warranty . Transformer is not included with damper The following will be required to complete the installation: . A standard low voltage Heat-Cool wall thermostat, designed for gas furnaces. . 24 Volt transformer. . Electrical wire, 2-conductor, 20 Gauge (CL-2 or Bell Wire) to connect the Transformer to the Damper. If the total length of wire exceeds 80 feet (25 m), use 18 Gauge wire. . A cover plate with knockout for the electrical box that the Transformer will be mounted on. . If you are mounting the Damper between floor joists in flexible duct, you will need two duct supports. . Duct tape.