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Irritrol 311A-1 1" Anti-Siphon Electric Valve with Flow Control

Brand: Irritrol
Save 27%
Original Price $79.68
Current Price $57.77
SKU 311A-1
In Stock (13)

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The Irritrol 311A-1 is a reliable 1" electric anti-siphon irrigation valve engineered for residential and light-commercial systems. It combines a rugged body, removable actuator assembly, and dependable solenoid operation to simplify installation and reduce maintenance.

  • Durable construction: Glass-filled nylon upper body with a nylon-reinforced diaphragm for long service life in outdoor irrigation systems.
  • Flow control & internal bleed: Built-in adjustable flow control and internal bleed allow manual operation and fine tuning at the valve.
  • Self-cleaning metering system: Removable, externally serviceable metering for reliable operation with recycled or dirty water.
  • Solenoid & electrical: Captive-plunger solenoid, 24 VAC operation; holding current ~0.2 A and inrush ~0.4 A for efficient controller use.
  • Performance: 1–30 GPM flow range with a maximum working pressure up to 150 psi; operating temperature to 130°F.
  • Compact dimensions & options: Measures approximately 8 1/2" H x 3 5/8" W x 6" L; compatible with OmniReg modular pressure regulators (OMR-30, OMR-100) and optional recycled-water solenoid kit.

Installation is straightforward thanks to the removable actuator module that retains the diaphragm and internal components during service. A five-year warranty supports long-term use. For detailed installation steps and specifications, see the product sell sheet and installation guide included with the valve.

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Frequently Asked Questions

What size and flow range does this valve support?
This is a 1" valve with a flow range of 1–30 GPM and a maximum working pressure of 150 psi.
How is the valve powered and what are the solenoid specs?
The valve uses a captive-plunger 24 VAC solenoid; typical holding current ~0.2 A and inrush ~0.4 A.
Can I add pressure regulation to this anti-siphon valve?
Yes. The 311A series accepts OmniReg modular regulators (OMR-30 or OMR-100) for downstream pressure control.