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

SKU: 190750

Save 46% · Retail: $54.00

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About the Irritrol 311A-1

Irritrol's 311A-1 1" Electric Anti-Siphon Valve with Flow Control and Internal Bleed comes from the 311A Series. The 311A-1has a flow rate of 1 - 30 GPM. 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. Irrirtrol 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


4.5 out of 5 rating is our rating for PlumbersStock, we got that rating because we have lots of experience and great people with expertise in plumbing. BUT WE WANT YOUR HELP. This product doesn't have any reviews yet, and we don't want to write our own reviews. It is more valuable to us that the customers get to share their experience with our products. Please, if you have any experience with this product, take a moment to share and help someone else who is trying to make a decision. Thank you!

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!