SL350OD Summit Outdoor Stairlifts

Harmar’s Summit outdoor stairlifts are engineered with a durable extruded aluminum track and marine-grade vinyl seating to handle rain, wind, snow, and temperatures from 0° to 125°. Includes header, internal chassis, and large weatherproof covers for even more protection against the outside elements.

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Commercial, Homes (Residential)


  • Narrowest stairlift in the industry – folds as narrow as 10.5” when footrest and seat are folded!
  •  Patented helical worm gear drive system for extremely smooth and quiet ride
  •  No grease or lubrication required for nylon polymer gear rack; low maintenance and easy to clean
  •  Swivel seat at upper landing, for easy and safe, entry and exit
  •  Easy and ergonomic operating control and condition indicator lights
  •  Operable in a power outage – up to 60 trips!
  •  Comfortable upholstered seat with full-sized backrest and standard retractable seat belt
  •  Safety sensors in the footrest and chassis will stop the lift if it meets an obstruction
  •  Options/Accessories: Key lock to protect from unauthorized use, Folding rail (increases minimum folded width to 13.0″), Additional track over 16′


  • Weight Capacity
    350 lb (159 kg)
  • Seat Size
    19″ W x 16″ D x 18″ H
  • Speed
    20 FPM
  • Folded Width
    10.5″, 13.6″ with folding rail
  • Track Length
    15’6″ standard; up to 70′
  • Incline LImits
    27° to 52° (inclines above 45° may require local jurisdiction approval)
  • Drive System
    • Patented nylon polymer gear rack
    • Helical worm gear
  • Safety Features
    • Retractable seat belt
    • Overspeed brake
    • LED alert system in armrest
    • Swivel seat with interlock
    • Chassis obstruction sensor
    • Footrest obstruction sensor
    • Padded armrestelt
  • Options
    • Automatic folding rail
    • Key lock
    • Extra rail
    • Manual lowering tool

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Warranty : Limited Lifetime Warranty, 1-Year Battery


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