Model # GT12E

Internet #100019017

Store SKU #691710

Master Flow 12 in. Galvanized Externally Braced Replacement Turbine Head
0050206251324

Master Flow

12 in. Galvanized Externally Braced Replacement Turbine Head

  • External bracing
  • Galvanized construction
  • Fits most 12 in. turbine bases.
$2900 /each
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Frequently Bought Together

Product Overview

  • External bracing
  • Galvanized construction
  • Fits most 12 in. turbine bases.
The Master Flow externally braced turbines are efficient, easy-to-install venting options for your roof. They allow heat and moisture-laden air to escape your attic, helping to extend the life of your roof. They are designed with upper and lower steel ball bearing systems for years of trouble-free operation.
  • Galvanized construction
  • Mill finish
  • Head has heavy-duty steel spider braces for strength and durability
  • Dual-bearing system with encased design helps to prevent dirt, dust, sand, and other foreign materials from damaging the bearing, resulting in a smother spin
  • Permanently lubricated track system of dual bearing system ensures years of trouble-free spinning
  • Fits most other 12 in. turbine brands

Product Overview

  • External bracing
  • Galvanized construction
  • Fits most 12 in. turbine bases.
Model #: GT12E
Sku #: 691710
Internet #: 100019017

The Master Flow externally braced turbines are efficient, easy-to-install venting options for your roof. They allow heat and moisture-laden air to escape your attic, helping to extend the life of your roof. They are designed with upper and lower steel ball bearing systems for years of trouble-free operation.

  • Galvanized construction
  • Mill finish
  • Head has heavy-duty steel spider braces for strength and durability
  • Dual-bearing system with encased design helps to prevent dirt, dust, sand, and other foreign materials from damaging the bearing, resulting in a smother spin
  • Permanently lubricated track system of dual bearing system ensures years of trouble-free spinning
  • Fits most other 12 in. turbine brands

Info & Guides

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Price
$29.00 /each
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Name 12 in. Galvanized Externally Braced Replacement Turbine Head 12 in. Weatherwood Galvanized Internally Braced Dual-Bearing Wind Turbine 12 in. Mill Finish Galvanized Steel Externally Braced Wind Turbine 12 in. Brown Aluminum Internally Braced Wind Turbine
Brand Master Flow Master Flow Whirlybird
Ratings (152) (17) (0) (13)
Material Galvanized Steel Galvanized Steel Galvanized Steel Aluminum
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Specifications

Dimensions

Cut-Out Left to Right Length (in.)
12 in
Net-Free Area (Sq. In.)
120
Product Depth (in.)
18
Product Height (in.)
11
Product Width (in.)
18

Details

Color Family
Steel
Material
Galvanized Steel
Paintable/Stainable
Yes
Product Weight (lb.)
7.6lb
Returnable
90-Day
Screen Included
No
Shape
Round Top
UV Resistant
No
Vent Type
Wind Turbine

Warranty / Certifications

Manufacturer Warranty
Limited Liftetime Warranty

Specifications

Dimensions

Cut-Out Left to Right Length (in.)
12 in
Net-Free Area (Sq. In.)
120
Product Depth (in.)
18
Product Height (in.)
11
Product Width (in.)
18

Details

Color Family
Steel
Material
Galvanized Steel
Paintable/Stainable
Yes
Product Weight (lb.)
7.6lb
Returnable
90-Day
Screen Included
No
Shape
Round Top
UV Resistant
No
Vent Type
Wind Turbine

Warranty / Certifications

Manufacturer Warranty
Limited Liftetime Warranty

Questions & Answers

How much wind speed is needed to get it to turn?

Asked by: cb
Barely any. There was a slight breeze when I was installing mine and the turbine was already moving.
Answered by: DillieO
Date published: 2017-04-26

How many do I need and is this okay to use with lots of rain?

I'm hoping to get these for my 1008 square foot one level ranch style house (roof slope is fairly normal). How many of these do I need to properly ventilate my house? The current ventilation is not sufficient. Also, I live in the Pacific Northwest where it rains pretty much every day during the winter. I haven't seen any of these on other houses and am wondering if they are good to use in this area. Lastly, what other materials do I need to install one of these? We would be putting a new hole in the roof to install one.
Asked by: pinski75
First rain mine encountered, it leaked like crazy! Seems to be poorly designed. It's too flat, not enough slope for the rain to runoff, and no type of seal to keep water from entering at the top and running down the main shaft. Stay away!
Answered by: Scooby
Date published: 2017-01-03

What is the circumference around the bottom edge of this spinning turbine?

I'm trying to figure out if I can replace the old head with this one
Asked by: Tony
The circumference is calculated by multiplying the diameter 12" by PI (3.1416) = 37.699"
Answered by: Tulspar
Date published: 2017-06-19

Does it have a fan built into the device?

This is probably a dumb question but i am new to the market and was wondering if it had an internal fan that would suck air out of an attic?
Asked by: jonsmith
The heat from your attic makes the turbine spin and it pull the heat out of your attic
Answered by: Jack9055
Date published: 2017-04-29
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Customer Reviews

12 in. Galvanized Externally Braced Replacement Turbine Head is rated 4.3 out of 5 by 152.
Rated 5 out of 5 by from This turbine head works perfectly and fits perfectly. It spins... This turbine head works perfectly and fits perfectly. It spins very smooth and quiet. It does the job
Date published: 2017-10-03
Rated 5 out of 5 by from easy to install....great price....works as promised.... easy to install....great price....works as promised.
Date published: 2017-10-18
Rated 5 out of 5 by from They were awesome ... They were awesome
Date published: 2017-10-10
Rated 4 out of 5 by from These two replaced non-externally braced turbines from a different manufacturer. The mounting ho... These two replaced non-externally braced turbines from a different manufacturer. The mounting holes lined up just fine. I have three turbines mounted on the roof of a 30' X 40' quanset building. The bearing surface on the originals last about two years and then fail. Time will tell if the externally braced turbines last longer. We really appreciate the help we received from the Bloomington, IL Home Depot.
Date published: 2017-08-09
Rated 4 out of 5 by from The Master Flow turbine head arrived promptly at Home Depot, fit very snugly and had to drill thr... The Master Flow turbine head arrived promptly at Home Depot, fit very snugly and had to drill three new holes for mounting the unit. It has survived plenty of wind this spring with no noise or rumbling. I see no way to lubricate the turbine if it starts whining or bearings get worn. A new unit would again be the only solution.
Date published: 2017-06-11
Rated 5 out of 5 by from REALLY DOES THE JOB Our old turbine gave up for good, so we replaced it with Galvanized Replacement Turbine. It is very well built, better built than the original. It's spinning like a whirling dervish and the temperature in the room beneath is 10 - 15 degrees cooler. Great product, would definitely recommend!!!
Date published: 2017-08-08
Rated 5 out of 5 by from 1995 I installed two Turbines I bought from Home depot where I live in South Florida. These Turbi... 1995 I installed two Turbines I bought from Home depot where I live in South Florida. These Turbines have been thru about five hurricanes and one tornado which ripped neighbors roof off. Last month, one started squeaking and I oiled, but I decided I better do something. I am now over 80 and the thought of tearing our roof loose to install, I could not comprehend. I found these heads at HD web site and said what do I have to lose. If they do not fit, HD will allow me to return. :) Received yesterday, started at 8 am today and it is now 9 am and I am sipping tea in my living room. Not only did they fit, the screw holes matched and with slightly larger screws to go in same hole! One reviewer said, "it takes ten minutes to replace", They are not kidding. Do early in morning when wind is slow.. Off Subject: second item I've ordered from HD Web Site and service has been terrific.. Very fast. The other, a safety pole for the bathroom. Funny, I can't drive, but I can still fix a house. Thanks' HD!
Date published: 2017-10-26
Rated 5 out of 5 by from Just what I was looking for I just wanted to replace the top part of my whirlybirds without doing a roofing project, these were exactly what I was looking for. Super easy bolt on, fit perfectly over my existing base. It took more time to climb up the ladder than to install these. Recommend.
Date published: 2017-05-30
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