LiftMaster 3240 Premium Series - Garage Door Opener
The LiftMaster Premium Series 3240 is a Screw-drive opener. The opener is fitted with ½ HP AC motor adequate to lift standard garage doors. The opener’s screw is packaged in a highly wear resistant lubricated channel that reduces the wearing-off process. The motor vibration system present makes the opener noise free. Though the opener requires frequent maintenance, it is designed to operate smoothly and efficiently in extreme weather conditions.