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50% more power than 1 2 HP models for today's heavier doors. Motor Vibration Isolation System (MVIS) for super quiet operation. 5 piece rail provides faster, easier installation. 200W of lighting for added safety. (2) 3 button remote controls. Security+ a
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Great product for a good price
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I purchased this product after my 1/3 HP Stanley could no longer open my garage door without some assistance from me - and I was spending too much time trying to make it work by adjusting the door springs, cleaning the rail, etc. After I did some research for a replacement, I was impressed by the reviews here on this Chamberlain 3/4 HP chain drive - and one referred me to Lowes, which had a great price ($168) where I purchased the product.
As discussed in the other reviews, the chain drive is strong and should be long-lasting, quiet and the installation was easy enough - it took me about 5 hours, going slowly and cautiously, and using the existing overhead mounting unit for my previous G-door opener. The directions are very clear. I was expecting to have a problem lining up the "eyes" of the safety beam - the unit will not operate unless these "eyes" can see each other, so I installed these first. I had to build out a wood base on the wall so the beam could clear some metal supports on the door which protruded. However once I put these two "eyes" up and tested the connection, it worked without any further adjustment. The rest of the installation went well - it has been working great ever since (3 weeks) and justifies my high rating.
Rating: 
(5
out of 5) @ 2008-12-25
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Great Garage Door Opener
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I bought this garage door opener to replace a broken Genie H2000C 1/2 HP opener that was present when I purchased my house. The chamberlain 3/4 hp opener came with all necessary parts for an easy replacement of my existing garage door opener.
Being someone who is technically and mechanically savvy, I was not worried about installing the opener. The instructions were clear and concise and the install went off without a hitch. I would put the difficulty of installing this unit at a 2/5, which means that I think just about anyone who has a simple understanding of how to use hand tools could accomplish this task.
It's been installed for about 3-4 weeks now and I haven't had a single issue so far. It is a very quiet unit compared to the one in our other garage door.
Rating:
(5
out of 5) @ 2008-10-28
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Chamberlain garage door opener, 3/4 hp.
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Item was delivered by UPS in a well-packed and cushioned container - unpacking and layout of parts confirmed that everything was there and in the proper amounts - the instructions were straightforward, well illustrated, and clear. - detailed steps were logically arranged and easy to follow.
From start to finish, it took about 3 hours to complete the installation, taking my time, and with no help. - setup instructions were easy to follow and comprehensive, and troubleshooting hints were helpful.
One of the remote control units (of 2) in my unit proved bad. A call to the support number given got me a real human who could also speak english! - a new unit was quickly sent with no need to return the bad one.
Coming from a maint. background, I can say that this was an easy, well documented installation. - the unit has proven to be very reliable, strong, and quieter than the older unit it replaced. I can reccomend it with no reservations
Rating:
(5
out of 5) @ 2008-10-27
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Chamberlain PD752D 3/4HP Heavy Duty Chain Drive Garage Door Opener
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I just installed the second opener......the first one worked for a short time while I was adjusting the limits then quit working. I thought it had overheated per the troubleshooting guide but after going through all the possiblities, I concluded that the electronic board must have went bad. When the second opener arrived only a few days after I contacted Amazon (excellent response from them), I installed it with no issues and it's working fine.
I had to give the product three out of five stars due to the issue with the first one. Had it not been for that, it would be at least four out of five stars.
As for Amazon's sense of urgency in shipping me a second unit, I give them five out five stars......great service.
-Brad from Michigan
Rating: 
(3
out of 5) @ 2008-10-09
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Excellent Replacement
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I have a side by side metal garage door and it was installed with an old Chamberlain 1/2 HP Lift Master model. I read reviews from the others and purchased this PD752D Model as a replacement. It took us two hours to install the new unit and it was a perfect fit. This is our first time install garage opener and it worked exactly what the instruction said. It is also much more quiet than the older model.
Rating:
(5
out of 5) @ 2008-09-29
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