Model # PR3XDSMWW

Internet #100072633

Store SKU #539250

Master Flow 1600 CFM Power Roof Mount Vent in Shingle Match Weatherwood
0050206888155

Master Flow

1600 CFM Power Roof Mount Vent in Shingle Match Weatherwood

  • 10 Year Parts Limited Warranty; 5 Year Labor Limited Warranty
  • Adjustable thermostat included
  • Effectively ventilates up to 3200 sq. ft. of attic space
$131.00 /each

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Product Overview

The Master Flow Pro3 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 shingle match weathered wood.

  • 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

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Customer Questions & Answers

15 Questions19 Answers

Customer Questions & Answers

1600 CFM Power Roof Mount Vent in Shingle Match Weatherwood
1600 CFM Power Roof Mount Vent in Shingle Match Weatherwood

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2 answers

Can this be mounted on a tile roof?

This question is from 1600 CFM Power Roof Mount Vent in Shingle Match Weatherwood
Asked by
Fort Myers FL
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July 5, 2016
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July 7, 2016
Answer: 
This product cannot be mounted onto a tile roof.
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July 6, 2016
Answer: 
No, this product is only designed for mounting on asphalt shingled roofs. Please call MasterFlow Technical Services at 800-211-9612, M-F 8A-5P EDT, for any additional questions.
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2 answers

fan is noisy vibrating

This question is from 1600 CFM Power Roof Mount Vent in Shingle Match Weatherwood
Asked by
eagle co
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May 29, 2016
is there a method for balancing
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Home Improvement Profile: DIYer
May 31, 2016
Answer: 
No method to balance. Contact the manufacturer for a blade or motor replacement. In my experience, their customer service has been very good.
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May 31, 2016
Answer: 
No method for balancing a fan blade. Check for the correct amount of intake vents (768 sq. in. of NFA per fan). Lack of intake air causes fan blade cavitation or vibrations. Please call Technical Services, M-F 8A-5P EDT, with any additional questions.
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2 answers

Is the hood also made of galanized steel?

This question is from 1600 CFM Power Roof Mount Vent in Shingle Match Weatherwood
Asked by
fort collins CO
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January 22, 2016
We get large hail where I live.
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February 1, 2016
Answer: 
This is galvanized steel.
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January 25, 2016
Answer: 
Yes, All MasterFlow roof fans have a galvanized steel hood. Please call MasterFlow Technical Services at 800-211-9612, M-F 8A-5P ET, with any additional questions.
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2 answers

What is the purpose of having power vents in the winter time?

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Des Moines Iowa
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December 28, 2015
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Asked by
Topeka, Kansas
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January 27, 2016
Answer: 
To keep the humidity level down. Need to install a humidstat and set to below 70%
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January 24, 2016
Answer: 
It helps reduce energy costs.
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Customer Reviews

1600 CFM Power Roof Mount Vent in Shingle Match Weatherwood is rated 4.2 out of 5 by 76.
Rated 5 out of 5 by from Powerful unit Unit installed very easy and fit the existing opening perfect. Much stronger unit than one I replaced but had a little more vibration. A few extra fasteners around the frame and it was alot less noticeable and very quiet.
Date published: 2016-08-04
Rated 5 out of 5 by from This Fan works the best I Installed this Fan in a 24X36 addition with a lean to style roof. Installation took about 2 hours and it was up and running. I didnt have the ceiling installed yet and with out the fan the addition would get really hot to the point you couldnt work. After installation It dramatically reduced the temp in the whole addition. Now with the ceilings up the addition is cooler than the main house. Fan is quiet and really pulls the air through the overhang out through the roof. Havent had any problems but looks like maintenace would be easy to perform if something would go wrong 7 or 8 screws and whole assembly will come out and mounting flange stays in roof. I have no regrets installing this product in my roof.
Date published: 2011-07-17
Rated 5 out of 5 by from Very Reliable I bought and installed one in 2004. I had to replace the motor once but got a replacement from the company with no problem. The only negative is that it would have been nice if the sheet metal screws mounting the motor brackets had been screwed in from the inside. that way it would have been much easier to take the motor out. I had to bend the brackets to get the old motor out. Mine has a lifetime replacement waranty. I see that they are now 10 years. I plan on installing a second one this month. The one I have works great. You do need plenty of eve vents. the more the better. It sure removes a lot of hot air from my attic. I highly recommend.
Date published: 2010-10-03
Rated 5 out of 5 by from Keeping it cool I have installed two of these master Flow PR3 roof mount fans in my two attics. I prefer this high end one for the longer 10 year warranty and larger volume of air movement. The construction is simple but made from durable gauge galvanized sheet steel. The motor is rated to draw 2.45 amps (this equates to 1/3 hp) and moves air very efficiently. Proper mounting is essential. Using a paint paddle, liberally coat the "entire" back of the mounting flange with roofing tar, about 1/3 gallon and nail securely as recommended in the instructions. (instructions show caulk gun seal) This eliminates vibration and provides quiet operation and extends the life of the motor bearings. Also make sure there is an adequate amount soffit vents for air intake to meet or exceed the fans exhaust air volume of 1600 cfm to minimize strain on the motor. Easy calculations can found on the web. This is usually the biggest oversite with exhaust fan installation.
Date published: 2014-05-30
Rated 5 out of 5 by from This product is great Just installed this unit on my roof. What a difference it made. I will add a second when it gets cooler out. The instruction say arrow up. It's on the flashing but had to look for it. Holes go toward the ridge. There was no template. Took a piece of cardboard put a hole in it with a nail then took a sharpie at 8.5" from the nail and drew a circle 17" on the box cut it out use the nail in the hole and drive it into the roof. I couldn't reach from inside. If centered in the bay, drill hole at edge and cut. Around the cardboard. Simple! I'm 61 and if I can do it you can!
Date published: 2013-07-09
Rated 5 out of 5 by from Best on the Market! I have been installing these fans for several years now. They are fantastic. I can't help but wonder if the negative reviews about the fan motor dying in 2 -3 years weren't meant for the other models (1000CFM or 12CFM). This Model, the 1600 CFM Pro3 has a much better motor than the other 2 which is why I will only install This model. It did used to have a lifetime warranty and is now 10 years. I have NOT noticed a change in the quality since they shortened the warranty. Also, as another reviewer stated, proper installation is the key. Installation requires going on the roof, lifting shingles, electrical wiring, etc., and therefore should be left to the Pros! For the small difference in price, go with this model, it will last much longer.
Date published: 2011-03-21
Rated 5 out of 5 by from Very Good Fan and Manufacture I bought this power roof vent for my home over 15 years ago. It has given me very good service, but the motor failed a few weeks ago. At the time I purchased it the manufacture's warranty was for life installed in the original home. Now it is only 10 years but still not bad. To keep this short the manufacture has sent me a new motor and fan blade with no questions asked. I will admit, I expected a hassle. Even if they hadn't honored the warranty after all these years, I would have still felt it was a worthwhile purchase
Date published: 2016-01-28
Rated 5 out of 5 by from Unbelievable !!! It's what the house was missing Basically this house has always seemed to hold in heat pretty well...The winters are great but the summers are horrible. I had to run the AC This year I investigated why our house was "warmer " than other peoples houses. When it reached 80 deg outside it usually meant running the AC...because after about noon the temp inside would be running pace or usually hotter than outside. I went up in the attic when it was about 80 deg outside to survey the situation and put a wireless Thermometer up there. It was anywhere from 100-110 deg when testing. Gathered readings from the attic for about a week , there was not a day where the attic temp was not at least 20 deg or more than the outside temp. From inside the attic I could see there were 3 of those non powered low profile roof vents. After looking at reviews and reading on the net I decided to install the attic fans. Installing the fans as others have mentioned is moderate for the DIY. I actually watched some YouTube videos of some pros and non pros to help me out before I started. I will just say the sawzall is your friend. I noticed when taking off the low profile roof vents , they were full of dirt and dust. Once the fans were installed the temp in the attic is @ or below the outside temp !! What this has done to the inside temp is nothing short of amazing. It was 80+deg outside and the temp on the inside at it's peak was 74 deg.. with no AC that day or the day before. I've never had a temp that low in the house..without running the AC or unless it was less than that temp outside. Wish I would have installed this 6 years ago....it would have saved me money on summer electric bills..
Date published: 2011-04-19
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