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Irritrol 311A-75 3/4-inch electric anti-siphon valve with flow control handle and 24VAC solenoid.

Irritrol 311A-75 3/4" Electric Anti-Siphon Valve with Flow Control

Brand: Irritrol
Save 27%
$77.06
$55.87
SKU 311A-75
In Stock (10)

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The Irritrol 311A-75 is a 3/4" electric anti-siphon irrigation valve engineered for reliable, long-term performance in residential and light-commercial systems. It pairs a leak-proof, nylon-reinforced EPDM diaphragm with a glass-filled nylon upper body to withstand frequent cycling and harsh outdoor conditions.

  • Flow control and removable tamper-resistant handle for precise flow adjustment and manual shutoff.
  • Internal and external bleed (flush mode) for easy manual operation and maintenance.
  • Accepts OmniReg® modular pressure regulator for field-installable pressure control (optional accessory).
  • Self-cleaning, externally removable metering system suitable for recycled or reclaimed water and dirty-water applications.
  • 24 VAC encapsulated solenoid with captive plunger; electrical specs: inrush ~0.4 A (9.6 VA), holding ~0.2 A (4.8 VA).
  • Pressure range 10–150 psi and flow range 1–30 GPM; dimensions H 8½" × W 3 5/8" × L 6".
  • Durable construction with stainless-steel hardware, Buna-N seat seal and a 5-year warranty for added assurance.

Designed for straightforward installation and service, the actuator module and diaphragm lift out together as a single unit to reduce lost parts and speed maintenance. See the sell sheet and installation guide for full specifications, pressure-loss charts, optional accessories (OmniReg regulators, recycled-water solenoid kit), and installation notes.

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Frequently Asked Questions

What size and flow range does the 311A-75 support?
The 311A-75 is the 3/4" model with a flow range of 1–30 GPM (recommended max for size often cited as 20 GPM) and 10–150 psi pressure range.
How is the valve powered and what are the electrical specs?
The valve uses a 24 VAC encapsulated solenoid. Typical inrush is ~0.4 A (9.6 VA) with a holding current ~0.2 A (4.8 VA).
Can this valve be used with recycled or dirty water?
Yes. The externally removable, self-cleaning metering system and an optional recycled-water solenoid kit make it suitable for reclaimed or dirty-water applications.