Model # PR2DBL

Internet #100324448

Store SKU #673564

Master Flow 1250 CFM Power Roof Mount Vent in Black
0050206778852

Master Flow

1250 CFM Power Roof Mount Vent in Black

  • 5 Year Parts Limited Warranty; 3 Year Labor Limited Warranty
  • Adjustable thermostat included
  • Effectively ventilates up to 2400 sq. ft. of attic space
$8730 /each
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Frequently Bought Together

Product Overview

The Master Flow Pro2 Power Roof Vent is a great overall investment in attic ventilation. This roof vent removes the greatest volume of hot and/or humid air from your attic, compared to our other models, saving you more in heating and cooling costs. Available in black.

  • Helps reduce energy costs and helps prolong the life of the roof and shingles
  • Excellent for roof slopes 3:12-12:12
  • Large pre-punched flashing for easier installation and less chance of leaks
  • Blows hot air outside and cools the attic
  • Galvanized steel construction for durability
  • Heavy duty metal screen deters animals, birds, and insects
  • Miami-Dade county approved and Texas Department of Insurance listed
  • Optional humidistat available (H1) - sold separately

Info & Guides

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Specifications

Dimensions

Cut-Out Diameter (in.)
15
Product Depth (in.)
10
Product Height (in.)
30
Product Width (in.)
30

Details

Airflow (CFM)
1250
Amperage (amps)
1.65
Color Family
Black
Color/Finish Family
Black
Material
Galvanized Steel
Power Type
Motor
Product Weight (lb.)
23.7lb
Recommended Sq. Ft.
2400
Returnable
90-Day
Thermostat Controlled
Yes
Ventilation Type
Roof
Voltage (volts)
120
Wildlife Guard
Yes

Warranty / Certifications

Manufacturer Warranty
5-year Parts Limited Warranty 2-year Labor Limited Warranty

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Customer Questions & Answers

Can it be mounted on a tin roof?

Asked by: Snake
No, this product is designed for an asphalt shingle roof. Please call MasterFlow Technical Services at 800-211-9612, M-F 8A-5P EDT, for any additional questions.
Answered by: Master Flow
Date published: 2016-07-07

Does this have different speed settings or can a speed control be installed in line?

Asked by: dannyp
No, this is a single speed motor and can not be altered with any speed devices. Speed devices will void the fans warranty. Please call MasterFlow Technical Services at 800-211-9612, M-F 8A-5P EDT, for any additional questions.
Answered by: Master Flow
Date published: 2016-07-07

Can this be installed on a chimney?

Does this product allow to be placed on top of a chimney for better smoke ventilation?
Asked by: Mike
No, this is not recommended. The motors are not rated for this type of operation. Please call Technical Services at 800-211-9612, M-F 8A-5P ET, with any additional questions.
Answered by: Master Flow
Date published: 2016-03-09

Can this be installed horizontally, i.e. exiting a wall?

Asked by: chevb0yrd
No ... Only approved for Horizontal installation Only.
Answered by: Master Flow
Date published: 2016-08-24
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Customer Reviews

1250 CFM Power Roof Mount Vent in Black is rated 4.5 out of 5 by 15.
Rated 5 out of 5 by from top quality unit Had to replace my 15 year old attic fan. You do not need to go on the roof, just take the old unit out with the spoke brackets and re-install new unit. This new fan was easy to install. This unit has a sealed bearing so no need to spray shaft with oil, This new unit has a capacitor which is a newer design in the last two years, its's purpose is to lower the amp's after start up to converse and save electricity costs, starts ups with electricity is more energy expenditure vs running constant. This new unit handles up to 2400 square feet, Manufacturer recommends setting thermostat at 100 instead of 90 to run slighly less. Noise level is not an issue for me. When you install the thermostat, use the taps to secure on rafter, there is a key hole size in back that needs to be open for the thermostat to regulate.
Date published: 2014-05-13
Rated 4 out of 5 by from So far so good. Living in south texas, it get's very hot very quick. Our house we bought had an existing attic fan but would not power on and the fan blades had seized. I decided to replace it because our house would get very hot and our a/c would run from about 11am - 9pm NON-STOP! I was hoping the attic fan would help push out the hot air in the attic and help with the a/c. The install was easy being i only had to remove the old and install the new. Powered it up and it was working. Prior to that, working in the attic was unbearable during the day and even early evening. NOW, it's much more comfortable, though still warm but a huge difference than before. Turns out i don't have enough insulation so my next plan is to get some spray cellulose insulation on the floor throughout the attic to help with our a/c and not have it run all day. can only do so much when it gets 98*+ all summer. I have noticed the a/c to hold it's temperature until about noon and cool the house a little quicker at night so it may have helped some but i still need to get some more insulation up there. right now i only have about 4" of it on the floor but i may wait until fall to do that project. I would still recommend this attic fan for someone who would have to go into the attic at times. maybe next time shell out the money for the solar powered one.
Date published: 2016-08-23
Rated 5 out of 5 by from NIce replacement for an older Master Flow fan. Replaced 10yr old Master Flow fan with this one. Thermostat working good so far. Have not been through the grueling desert summer yet but so far happy with this purchase. Replaced it myself and used a tub of roof sealant underneath base.
Date published: 2016-03-14
Rated 5 out of 5 by from nice product for the money easy to install, good instructions, works exactly how its suppose to
Date published: 2015-10-04
Rated 3 out of 5 by from Good Product, But Rain Enters I purchased two of these ventilators and they perform fine. They were installed per the written instructions including mounting the fans the recommended distance below the roof ridge. Recently they were exposed to a strong thundershower with some wind. Rain was blown up under the hood. Water droplets collected under the hood and on the critter screen and then the water dripped down into the house. Such a rainstorm is not an every day event, but still the design should not allow this to occur in a rainstorm. After all, what will happen during a hurricane, as occurs in my area? According to the product overview, these are approved by Miami Dade County and Texas Dept of Insurance, which to me means they are suitable for use in a hurricane area. This was one of the key reasons I purchased this particular fan. As a minimum they should be provided with a rain shield below the upper side of the fan hood to minimize rain being blown under the hood. Also, the manufacturer should ship the fans is a sturdier box. The flashing and hood on both fans were bent. Considering how flimsy the shipping box was damage is highly likely with normal handling .
Date published: 2015-05-13
Rated 5 out of 5 by from "Peace of Mind" I had this installed by a professional but according to him, everything was included and the instructions and installation went without a hitch. My old fan was only a 12", not only old but was not doing it's job. The new fan gives me peace of mind that it works when it is needed and I do not have to keep checking the attic.
Date published: 2015-08-11
Rated 5 out of 5 by from Great fan The fan works great and was pretty easy to install. The box comes with a template, so much easier to cut the hole. It's quiet and works great. I had issues with asphalt smell after a new roof and this really helped! Also helped with the heat buildup. Only negative part is it only came in black.
Date published: 2015-08-25
Rated 2 out of 5 by from Installation difficult due to screen problem I don't like to give negative ratings, but this product deserves it. The package was bent by the delivering agent, and the metal screen at the top of the vent used to keep birds and other pests out was bent. Took over two hours to repair so the blades would turn as product was poorly made. Easy to install if the screen had not been bent. Took the top off and straightened, but then when I put it back on, the screen compressed causing the same problem. Finally had to cut out some of the screen to get the blades to turn. Too much work.
Date published: 2016-07-19
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