The MAC3/MAC4 uses the same technology that our other Automates use, but also optimizes gas use with a built in economizer. Automatic leak detection will notify you if there is a loss of pressure on standby cylinder bank. Includes built-in redundant final line regulators and external port.


  • 500 psi Maximum Inlet – For low-pressure cylinders only
  • Automatically Recognizes New Stand-by Cylinders when Empties are Replenished
  • Standby Cylinder Bank Leak Warning
  • Economizer – Ability to use excess pressure before relief to maximize gas use
  • External Port – Optional Emergency Reserve (SCMM Series)
  • Priority Gas Bank Switch – Switch Primary Priority with a flip of a switch