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Liftmaster 3900 Light-Duty Commercial Jackshaft Garage Door Opener

Liftmaster 3900 Light-Duty Commercial Jackshaft Garage Door Opener
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ZAP 825 Series 3 Light Duty Jackshaft Sectional Garage Door OpenerZAP 825 Series 3 Light Duty Jackshaft Sectional Garage Door Opener
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Additional Details about:

LiftMaster operators are intended to be installed by an Authorized Dealer. Please contact us directly and we can recommend an Authorized Installing Dealer.
This item is discontinued.
Please view this replacement item:
LiftMaster LJ8900W Light-Duty Commercial Jackshaft Operator w/Built-In Wi-Fi for Sectional Doors
LiftMaster LJ8900W Light-Duty Commercial Jackshaft Operator w/Built-In Wi-Fi for Sectional Doors
$489.59$407.99
This item is discontinued. Please view this replacement item:
Product Description

Protecting your property is a priority and if you’re in need of a remote-controlled commercial garage door opener, North Shore Commercial Door can help. The LiftMaster 3900 Light-Duty Commercial Jackshaft Garage Door Opener for Sectional Doors with one remote has all the features you’re looking for in a commercial garage door.

The LiftMaster 3900 features the following:

•Made for standard, vertical and high-lift sectional doors, this garage door opener is suitable for doors as high as 14 feet and as wide as 18 feet.

•It is not appropriate for an excess of 180 square feet or 650 pounds.

•It will fit garages that have an obstructed ceiling, cathedral design or limited height available.

•The motor is protected with a lifetime warranty.

•Wall mount installation attached to the door mount tension bar.

•A quiet, tough motor.

•A power cord that measures six feet.

•Numerous safety features and push button technology.

•Tension monitor to prevent the need for balancing.

As always, our staff is knowledgeable and here to answer your questions. Get your LiftMaster 3900 remote controlled garage door opener from North Shore Commercial Door today.



*Remotes are not included but this unit does have a built in receiver. You can use the liftmaster Model 371LM remote control.
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COMMENT: Repeat purchase<br />This will be my third one, I already have these on 2 other doors. by Thomas W 2/7/2017
COMMENT: Have one Already on a bigger door very good product been using for 3 years no problems. by Archie W 12/20/2016
QUESTION: Does this unit run in either direction. I need it to open a low clearance door with reverse wound springs? by None N 10/6/2017
QUESTION: Is the rotation reversible? Need an opener for a low clearance with reverse wound springs by None N 10/5/2017
QUESTION: What is all included in this package? Remote controls, etc by William F 12/9/2016
ANSWER: The package I selected didn't have remotes or light kit. Just had the push button for up/down and the safety lights. I believe you can select a package with all that included. by fred P a
QUESTION: Can the 3900 be mounted in the center of the torsion bar? by Mike D 9/2/2016
ANSWER: I don't think so because I believe the door would run right into it. The unit will hang down approx 18 inches that's why I believe it would have to be mounted on the side of torsion. It's designed to slide over the end of the rod on either side of door. Hope this helps . by fred P a
REPLY: My application is somewhat unique as the torsion bar is located at the end of the track not at the door opening. I would like to slide the 3900 to the middle of the bar. by Mike D r
REPLY: Looking at my door as it comes up there is only approx 4" of clearance between torsion bar and door and the open hangs approx 12" below the bar and sticks out 7". With that being said I'm not sure the clearance you have. I'm not sure if anybody has ever tried to flip the unit upside down that way it would only stick down approx 3" ? Just a thought ... by fred P r
Product Manual
Liftmaster 3900 Light-Duty Commercial Jackshaft Garage Door Opener Instruction ManualDownload PDF Manual