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Liftmaster SW420

  • Liftmaster SW420
70.00 LBS

Product Description

Liftmaster SW420

The Liftmaster SW420 gate operator is a 24-volt A/C powered system designed for residential driveway gate or gates, 12-feet and max 300 lbs. The Liftmaster SW420 has a small compacted control box made of galvanized that’s water proof is perfect for installing in tight residential driveway gate systems. The SW20 gate control board has a built in automatic timer to close and a built in radio receiver that includes 1-remote, and a 2-year warranty.

  • The SW420 is safe to have around little kids, vehicles and is UL325 Compliant. What is UL325?
  • Liftmaster SW420 Control Board - has inputs for loop detectors, automatic vehicle exit probe, maglock control, and keypads or telephone entry systems.
  • Troubleshooting indicator LEDS its quick and easy to change parts and saves you money.
  • Liftmaster SW 420 gate operator has surge protection, fold-down door on the control box, quick release disconnect opens manual in power outages.
  • The SW420 uses a high torque heavy duty motor with gear reducer oil bath.


  • Built-in Radio Receiver
  • Control Board
  • Safety Loops & Exit loops Inputs
  • 24VAC System
  • UL325 Compliant
  • Automatic Timer to Close - up to 3 minutes
  • Integrated Maglock Inputs
  • Inherent Obstruction Sensing
  • External Obstruction Sensing
  • Dual Gate Operation
  • Sequenced Access Management
  • Troubleshooting LED Indicators
  • Gear Reduction
  • Radio Receiver Built-in
  • Surge Protection
  • Quick-release Disconnect
  • 2 Year Warranty 

Warranty Information

2-year Warranty

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