Automatic Damper for Turbine Ventilator

$29.97

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Slash home heating cost today. It's so easy. Cuts turbine winter heat loss by 80%. Roof turbines are great in summer. But, suck warmth from your rooms in winter. Never cover turbine with a bag. A roof fall is very dangerous. See 1-Min. Video.
  • Louvers: OPEN in summer (70°F) CLOSE in winter(40°F)
  • Powered by temperature (needs no batteries)
  • U.S. Patent; new energy saver
  • Winterize your home quick, install: 1-unit 30-min. 3-units 60-min
  • Fits into new or old turbine ventilator: 12" or 14" Diatmeter
  • Restricts turbine's suction and exhausts attic moisture in winter
  • Get on the roof once to install it and never go there again
  • 100% maintenance free
  • 25-year guarantee: free replacement of thermostatic controller
  • Molded of durable impact polystyrene
  • Innovate today; watch 1-min. video



  • Click here to learn more about
  • Features:

    automatic damper turbine vent turbine boss



Features
Item Weight .7
Product Weight (lb.) 1
Bracing Internally Braced
Color Family Gray
Intake/Exhaust Exhaust
Screen Included No
Power Type Wind Powered
Returnable 180-Day
Material Plastic
Color/Finish Gray
Paintable/Stainable No
Shape Round
Features Automatic Shutter,Built-in Thermostat,Corrosion Resistant,Thermostat Controlled,UV Resistant
Mounting Position Roof Mount
UV Resistant Yes
Product Width x Depth 11.7 in. x 2.2 in.
Rough Opening Width (In.) 11.7
Net-Free Area (Sq. In.) 78
Product Width (in.) 11.7
Product Height (in.) 11.7
Rough Opening Height (In.) 2
Cut-Out Width (in.) 2.2 in
Product Depth (in.) 2.2
Coverage Area (Sq.Ft) 2000
Manufacturer Warranty 25-year factory replacement of thermostatic controller as needed. This is the drive mechanism.

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