This 8355W is much quieter than the chain-drive unit I had previously, and so far I am very happy.
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The 1/2 HP motor is equipped with a Motor Vibration Isolation System that eliminates powerhead vibration for reduced noise.
The 8355 1/2 HP Belt Drive Garage Door Opener is a good choice if you want both quiet and smooth-running reliability. I have rooms positioned above the garage so this is important to me.
As more convenient features, this opener also is equipped with built-in MyQ technology that lets you monitor and control your garage door and house lights remotely by using my smartphone with the available LiftMaster Internet Gateway. Meets all UL325 requirements.
8355W Features:
Drive : Belt Drive System
Built-in WiFi
Horse power : 1/2 HP
Voltage / phase : 120V 60Hz
Lighting System : 2 lights (100 watts max per light) with adjustable light time delay
Warranty* : Lifetime on motor and belt
Additional headroom required : 2''
The Liftmaster 8355 garage door opener is manufactured by the Chamberlain Group.