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

SKU: 190750
   based on 1 Reviews
100% recommend this product
Save 45% · Retail: $54.00

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About the Irritrol 311A-1

The Irritrol 311A1 1" Anti-Siphon Valve with Flow Control and Internal Bleed comes from the 311A Series. The 311A-1 has a flow rate of 1 - 30 GPM (gallons per minute). It has a pressure rating of 10 - 150 PSI. Irritrol has made their name as a brand by selling and marketing exclusively to the professional installer, as a result their products are geared to be dependable and durable. Irritrol is now making their products available to you through our website. If you are looking for a product line that will last year in and year out, Irritrol is the brand for you.

Product Details

Manufacturer: Irritrol
Style: Flow Rate Control
Mpn # 311A-1
Shipping Dimensions 6.0" x 3.8" x 8.5"
Weight 1.50 lbs.

Product Features

  • Upper body and air-vent cap constructed of glass-filled nylon
  • Rugged, double-beaded nylon-reinforced Buna-N diaphragm
  • Internal and external bleed flush mode
  • Accepts OmniReg modular pressure regulator
  • Externally removable self-cleaning metering system


Rated 5 out of 5 based on 1 reviews

Valve Rated 5 by Larry Elrod
  Yes, I recommend this product.
I would like to order just the valve controller and not the entire unit since I am replacing broken controllers so the valve housing is just trash for me. I assume the housing adds another $5+ to the complete unit.
Originally posted on PlumbersStock Jun/2017

Questions & Answers


Hello! Yes, this Irritrol 311A-1 Anti-Siphon Valve with Flow Control falls under the 311A series. The "1" in the product number indicates its size since this anti-siphon valve comes with two options: 1" (this product) and 3/4" (under product number 311A-.75). Please read page 2 of the Sell Sheet under "Resources" for reference. Before ordering, it would be best to check the specific size that you need. If you need 3, you may adjust the quantity by pressing + and to see the price, click on "See Sale Price in Cart". If you're ready to order, make sure to hit the Add to Cart button and enter the necessary information required. Thank you for shopping at!


Hi! Thank you for asking a question about the Irritrol 311A-1. No, This particular valve will not work as a replacement. The Irritro 2711DPR and Irritro 2713DPR are combination angle and anti-siphon valves with a flow adjustment screw, and can be operated electrically or manually just as your Rainbird APAS 100-1" does. Please don't hesitate to contact us if you have further questions about this product. Thank you for visiting Have a great day!

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