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Title: quietest door opener
Review: I had a Sears opener previous that died prematurely because the contractor that did my home only put one tension spring in instead of two. Still the Sears unit(made by Chamberlain) lasted 12 years. I could have fixed it for 30-40 bucks but I figured 12 years is enough. This belt drive was easy to assemble. I took the old one down leaving what I thought I could reuse in place. Anything that showed any sign of wear, I was going to replace but found nothing amiss except the bearing under the sprocket that failed originally. The new one bolted right in place. I replaced the sensors just because. Same with the wall button and push button entry.I can't believe how quiet this garage door opener is. With the passage door into the house closed, we cannot hear it. Standing out in the garage what you hear the most are the wheels on the door. So much so that I ordered nylon wheels with 13 ball bearing to see how quiet I can get it. I highly recommend this door opener by Chamberlain.
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