I'm looking into getting operators for my 2- 14x14 clopay insulated overhead doors they are 465 lbs a piece. They are on standard radius tracks and I have plenty of ceiling height. Just wanted some input on doing trolley vs jackshaft operators?
I can buy the liftmaster 3900 for $270 on ebay brand new, it says it works for a max 14' high door less than 650 lbs. Will it work or burn out? They call it a light duty unit but it says 8 cycles per hour which seems like a lot to me.
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I can buy the liftmaster 3900 for $270 on ebay brand new, it says it works for a max 14' high door less than 650 lbs. Will it work or burn out? They call it a light duty unit but it says 8 cycles per hour which seems like a lot to me.
Sent from my SAMSUNG-SM-N910A using Tapatalk