Door Width (Ft.) 22 Motor Type Medium Duty; Motor HP 1/2 hp; Voltage 115 V; Application A Safe and Easy Way to Operate Commercial and Residential Garage Doors; Reversal System Internal Auxiliary, Helps Prevent Door and Opener … Call today to ask about our openers. As part of our commercial garage door system, we provide our clients with top-of-the-line garage door opener products. The Model 3900 is a jackshaft door opener, as manufactured by The Chamberlain Group, Inc. and is for use on light-duty commercial standard, vertical and high lift sectional doors with torsion … IDEAL Door® Offers Commercial Garage Door Openers from the Leading Manufacturers in the Industry. The Sommer 1628V008 garage door opener 5-ft rail extension kit from Garage Door Supply Company will extend the reach of a Sommer Synoris garage door opener rail for 7-ft and 8-ft high doors to accommodate a 12-ft or 14-ft tall garage door. We only represent companies with a proven track record for producing high-quality commercial automatic door … The ATS meets all current federal and state laws and UL325 safety standards for residential and commercial … The ATS model (Avanced Trolley System) door opener, is manufactured by the Chamberlain Group, is for use on standard lift sectional doors up top 14 ft (4.3 m) high, rated for 8 cycles per hour. Features. Item Commercial Door Opener; Type Trolley; Max. Door Height (Ft.) 14 Max.