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Hunter ACCU-SYNC 40 PSI Pressure Regulator | ACCU-SYNC-40

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Hunter ACCU-SYNC-40 40PSI Pressure Regulator

Only Accu-Sync? fixed models bring fixed pressure regulation to any Hunter valve. The fixed models allow for easy installation at a set pressure. All zones stay in tune with Accu-Sync.

Features / Benefits

  • Conservation Consistent pressure regulation means no more wasted water.
  • Ease Regulate pressure at the valve instead of individual sprinkler heads.
  • Speed No tools are needed for the fastest installation in the industry.


  • 70 PSI
  • Static pressure: 150 PSI
  • Height with solenoid: 3-1/4"
  • Length: 4-3/8"
  • Required static dynamic differential: 15 PSI
  • Works with AC and DC latching solenoids
  • Works with any Hunter valve

For Fixed Pressure Installation

  1. Remove solenoid from valve
  2. Install solenoid in Accu-Sync
  3. Install Accu-Sync in valve

Why Regulate Pressure?

Regulating pressure saves water and extends the life of the irrigation system. Water savings is achieved by operating each zone at the best pressure for that equipment and application type. Use the chart below to select the best Accu-Sync? model for each application of Hunter irrigation equipment. Accu-Sync ensures that every zone in every system stays in check for maximum water savings and longevity.

Manuals and Literature

Installation Brochure
Valve Pressure Regulator
Product Type:
Valve Pressure Regulator
40 PSI
Average Rating:
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5.0 / 5.0
1 Review
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Works as designed
Own a one acre hillside property with 165 psi street pressure. All heads (Hunter) are on MP-40/MP-30 Pro-Spray risers but even still, dynamic pressure can over-drive some heads under some conditions. The Accu-Sync, with it's at-valve location, totally solves this. For most people you can dispense with the expense of Pro-Spray risers and just rely on pressure-control from the Accu-Sync. (But check local code -- you may be required to have a check valve at each head, which the CV versions of the Pro-Spray provide.)
June 13, 2017
over 2 years ago
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Why did you choose this?
SprinklerWarehouse.com Store
Trying new valve for contractor
Thomas B on Oct 6, 2018
Trying new valve for contractor
Thomas B on Oct 6, 2018
I standardize all my irrigation needs on Hunter products
Tony W on Aug 17, 2018
I standardize all my irrigation needs on Hunter products
Tony W on Aug 17, 2018