24VAC Manual Valve Actuator

The 33-AC-MVA, 24VAC valve actuator is used to convert 3/4" and 1" brass or plastic manual anti-siphon valves to automatic operation. For use in residential and commercial applications, the 24VAC valve actuator includes flow control with an external manual bleed for smooth opening and closing. This actuator is a simple and dependable solution for any irrigation system that requires automation of a manual anti-siphon valve.

Convert 3/4" and 1" manual anti siphon valves

• Champion (brass)
• Orbit (brass and/or plastic)
• Buckner/Superior (brass)
• Lawn Life, Fairway (brass)


  • Factory assembled to fit 3/4" Champion and Orbit manual brass valves with adapter for 1” included in the package
  • Built-in flow control
  • Internal or external manual bleed override for manual ON/OFF
  • Smooth valve opening and closing prevents pressure surge hazards
  • Constructed of glass-reinforced nylon with a stainless steel spring and non-corrosive materials
  • High flow with low pressure loss
  • Normally closed
  • Easy in-line maintenance
  • Three-year warranty


24VAC Manual Valve Actuator
how to specify
Model Description
For use with AC controllers only
33-AC-MVA Actuator with AC solenoid


  • Operating pressure: 20 to 125 PSI
  • Temperature range: 38-130°F (3-54°C)
  • Assembled with 3/4” adapter and washer, including in the package 1” adapter with washer
  • Solenoid: 24VAC (50 -60 cycles)
    • Current: .032A (7.7 VA)
    • Holding Current: 0.16A (3.84 VA)
    • Power Consumption: 1.7/2.2 watts
    • Solenoid wire: 18”
  • Materials:
    • Body & Cover: glass-reinforced nylon
    • Diaphragm: EPDM
    • Metal parts and screws: stainless steel 18-8
    • O-ring: Buna-N

Corporate Information

Where To Buy
Contact Us

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DIG Corporation
1210 Activity Drive
Vista, CA 92081 USA

Tel: (760) 727-0914
Fax: (760) 727-0282
Toll Free: (800) 322-9146

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