If you're a chain drive loyalist who is looking for more power in a garage door opener, the LiftMaster® 3575 3/4 HP Chain Drive Garage Door Opener is the perfect solution. Its finely-tuned, yet ruggedly designed 3/4 HP motor, combined with our patented Motor Vibration Isolation System (MVIS®), provides the precise synergy needed to open heavy garage doors quickly and quietly.
• High-efficiency motor delivers improved performance in extreme weather conditions
• Enclosed gear case provides continuous lubrication and protection for longer life and smoother operation
• A 6-foot power cord makes connecting to a power source easier than ever
• Non-yellowing hinged light lenses for easy bulb replacement
• The Smart Garage Door Opener® lets you electronically program security codes from the Multi-Function Control Panel or the powerhead
• Delivers 200 watts of light with adjustable light time delay
• Meets all UL325 requirments
SAFETY & SECURITY FEATURES
• The Protector System® safety sensors project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down
• Sensing technology will stop the door from closing if contact is made with a person or object
• Opener light turns on automatically when The Protector System's infared beam is broken
• Patented technology detects when a door spring breaks and triggers the motor to reverse the door to the full open position
• Security+® rolling code technology assures a new code is sent every time the remote control is used
• Patented PosiLock® system ensures the door remains securely locked when the garage door is closed
• Manual release handle in case of power failure
WARRANTY
Lifetime motor warranty
5-year parts warranty