LiftMaster 8500 / 3800 Residential Jackshaft Garage Door Opener

INSTRUCTIONS before purchasing: This product is compatible ONLY with HORIZONTAL FRONT MOUNT TORSION SPRINGS! It ONLY works with TORSION SHAFT BAR. Please Note: Having TORSION SPRINGS on your garage doors with TORSION SHAFT BAR for the 3800 OPENER is compulsory for it to work. Please CONTACT SELLER OR CHAMBERLAIN before purchasing to make sure it is 100% compatible with your application. Shipping ONLY to Continental U.S.! All other orders will be cancelled. Thank you Package: New in unopened box. Shipping: Fast shipping via UPS ground  Designed for modern garages and has unique applications that don’t allow for a traditional garage door opener  24V DC motor performs Ultra quietly.  Only for sectional doors up to 14 feet high or 180 square feet.  Optional EverCharge battery backup system reliably opens door when the power goes out.  Meets all UL325 requirements COMPATIBLE W/HORIZONTAL FRONT MOUNT TORSION SPRINGS ONLY!ONLY WORKS WITH TORSION SHAFT BAR***YOU MUST HAVE TORSION SPRINGS ON YOUR GARAGE DOOR WITH A TORSION SHAFT BAR FOR THE 3800 OPENER TO WORK. BEFORE PURCHASING, CONTACT SELLER OR CHAMBERLAIN TO MAKE SURE IT IS 100% COMPATIBLE WITH YOUR APPLICATION. SHIPPING TO Continental U.S. ONLY! ALL OTHER ORDERS WILL BE CANCELED, Thank you New in unopened box. Fast shipping via UPS ground

• Designed for garages and unique applications that don’t allow for a traditional garage door opener
• Ultra-quiet 24V DC motor performance.
• For sectional doors only, up to 14 feet high or 180 square feet.
• Optional EverCharge battery backup system reliably opens door even when the power goes out.
• Meets all UL325 requirements