Model # L7034

Internet #100062989

Store SKU #463809

null 3/4 in. 150 psi Anti-Siphon Valve with Flow Control
0022381070342

3/4 in. 150 psi Anti-Siphon Valve with Flow Control

$16.87 /each

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Product Overview

Use this Lawn Genie 150 psi Anti-Siphon Valve with Flow Control to help prevent irrigation water contaminants from entering the drinking water supply. This anti-siphon valve features a jar-top bonnet for quick diaphragm repair access, internal and external bleed, as well as flow control. Constructed from corrosion- and UV-resistant material with a stainless-steel metering pin, this valve is built for durability and longevity.

  • Use in 24 VAC systems to help prevent irrigation water contaminants from entering the drinking water supply
  • Recommended installation in sprinkler system is 6 - 12 in. above highest downstream outlet
  • 0.25 - 25 GPM flow rate
  • Glass-filled construction
  • Stainless-steel metering pin
  • Corrosion- and UV resistant
  • Captive solenoid plunger to help prevent lost parts during maintenance
  • Jar-top bonnet for easy access to diaphragm
  • Precise flow control adjustment reduces misting and fogging at the sprinkler to save water
  • Internal bleed allows for system check-ups or just extra watering at the manifold location
  • External bleed to flush out dirt from the supply and lateral lines during new installations or repairs
  • 4" Footprint Size (Center to center of inlet/outlet)

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Customer Questions & Answers

4 Questions5 Answers

Customer Questions & Answers

3/4 in. 150 psi Anti-Siphon Valve with Flow Control
3/4 in. 150 psi Anti-Siphon Valve with Flow Control

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2 answers

Too much backflow at the end of the cycle.

This question is from 3/4 in. 150 psi Anti-Siphon Valve with Flow Control
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March 1, 2016
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Answers (2)

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Home Improvement Profile: DIYer
September 24, 2016
Answer: 
The standard boiler plate answer for backflow was stated above. Here it assumes that your sprinker sysem is on relatively flat ground. Unfortunatly there are yards that have slopes and hills higher than the primary water source. This means using the rule where the valve must be higher than the sprinkler head cannot be implemented.
There is a inexpensive solution to back flow on sprinkler heads that rise
Read More
The standard boiler plate answer for backflow was stated above. Here it assumes that your sprinker sysem is on relatively flat ground. Unfortunatly there are yards that have slopes and hills higher than the primary water source. This means using the rule where the valve must be higher than the sprinkler head cannot be implemented.
There is a inexpensive solution to back flow on sprinkler heads that rise above the valve. That is install a PVC Check Valve, They can be purchased for 3/4 and 1 inch PVC pipe for around $8. They prevent water from flowing downhill into the Anti-siphon valve.
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Asked by
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May 9, 2016
Answer: 
The purpose of an anti-siphon valve is to dump residual line water and prevent it from entering your water supply. Anti-siphon valves should be installed above the highest point in the system. Installing the valve below supply lines and spray heads will cause residual water to flow back to the valve and released through the cap. The amount of backflow is not caused by the valve.
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1 answer

How to install?

This question is from 3/4 in. 150 psi Anti-Siphon Valve with Flow Control
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October 22, 2016
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October 24, 2016
Answer: 
Attach your supply and irrigation line to the valve using ¾” Schedule 40 PVC Male Adapters (for example, The Home Depot SKU number 188-131). The connection between the adapters and the supply lines should be made using the appropriate PVC cement. Once connected to your supply and irrigation line, use grease caps (waterproof wire nuts) to connect one of the solenoid wires to your white wire (neutral) Read More
Attach your supply and irrigation line to the valve using ¾” Schedule 40 PVC Male Adapters (for example, The Home Depot SKU number 188-131). The connection between the adapters and the supply lines should be made using the appropriate PVC cement. Once connected to your supply and irrigation line, use grease caps (waterproof wire nuts) to connect one of the solenoid wires to your white wire (neutral) and the other to one of the colored wires. The white and colored wires should run back to your controller with the colored wires being connected to the watering zones and white being connected to the common, or “C”, post. Read Less
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1 answer

please identify each adjustment item and give concise adjustment procedure for model L7010 lawn genie valve.

This question is from 3/4 in. 150 psi Anti-Siphon Valve with Flow Control
Asked by
riverside ca.
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October 9, 2016
lawn genie operation guide in the box does not identify the adjustment components on the body of the
anti-siphon valve, (model L7010). therefore adjustment procedure is unknown without location and
name of each adjustment item. the instructions relates to a white flow control screw screw knob-(there
is no white screw knob on this L7010!!!!) WHICH IS THE BLACK MANUAL BLEED SCREW????
THE ENCLOSED ADJUSTMENT INSTRUCTIONS ARE TOO VAGUE FOR ME TO MASTER!!!!
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October 10, 2016
Answer: 
We apologize for the confusion you’ve encountered with the instruction manual for the L7010 valve. We will certainly look into getting the instructions updated so it is less confusing.
Steps 5 and 6 in the instruction manual are “optional” if you desire to adjust the flow. The valve is already set from the factory for maximum flow.
In regards to the white plastic screw, it is not actually Read More
We apologize for the confusion you’ve encountered with the instruction manual for the L7010 valve. We will certainly look into getting the instructions updated so it is less confusing.
Steps 5 and 6 in the instruction manual are “optional” if you desire to adjust the flow. The valve is already set from the factory for maximum flow.
In regards to the white plastic screw, it is not actually something that is visible on the valve straight out of the box as it has a black cap, or knob, that protects it from vandals. This black cap is the one with the three slits on top. It is not necessary to remove that cap/knob, however, to adjust the screw as you can actually make that adjustment using a flathead screwdriver using the slots on the cap. Turning this screw, or knob, will adjust the amount of desired water flow. Turn the flow control screw clockwise to decrease the flow or counterclockwise to increase the flow. Please note: the flow control screw requires approximately seven turns to adjust from maximum to minimum flow.
The manual bleed screw knob (external bleed) is the black screw with the plus sign on top. Turning it counterclockwise will allow water to flow through the valve while you determine the amount of desired water flow needed. You can then adjust the amount of flow control while the valve is open by turning the white flow control screw, or the black cap/knob if you didn’t remove the cap. Once the desired amount of flow is set, you can then tighten the manual bleed screw to close the valve.
The bleed plug handle (internal bleed) is used to turn the valve on manually. So essentially, you can turn the valve on manually using the manual bleed screw or the bleed plug handle. One is external, so water will be spraying out, and the other is internal, so water is staying inside and flowing through the valve. You just need to be sure you don’t unscrew the external manual bleed screw all the way or water will be spraying all over. To open the valve, move the bleed handle counterclockwise to the stop. The valve will open as discharge water is routed internally downstream. To close the valve, move the handle clockwise until resistance is felt. Do not overtighten! Read Less
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1 answer

Do you carry a 1'inch ANTI SIPHON VALVE, or is 3/4 a standard size.

This question is from 3/4 in. 150 psi Anti-Siphon Valve with Flow Control
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SAN MATEO, CA
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September 23, 2016
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September 25, 2016
Answer: 
Yes, we make 1” anti-siphon valves. We offer our Lawn Genie model L7010 or our Toro model #53764. Both products are professional-quality Jar Top valves with Flow Control for precise adjustment.
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Customer Reviews

Rated 4.2 out of 5 by 28 reviewers.
Rated 5.0 out of 5.0 by needed needed for repair of the sprinkler system in my yard to replace the broken. September 27, 2016
Rated 4.0 out of 5.0 by does the job easy to install. some last longer then others. a little pricey. overall a good product. August 30, 2016
Rated 5.0 out of 5.0 by Good replacement I was looking for a replacement of an older Rain Jet valve and this fit the bill. It is a better product that the one replaced. September 13, 2016
Rated 5.0 out of 5.0 by 3/4 in. 150 psi Anti-Siphon Valve with Flow Control I have 20yr old lawn genie values - this is a direct replacement. Some of the new valves the inlet and outlets are ~ 3/8 of inch further apart - this valve works with out redoing the present plumbing. August 16, 2016
Rated 5.0 out of 5.0 by Yes! Home Depot Carried it!!! Exact replacement valve for my Lawn Genie in ground sprinkler system. Was very happy I did not have to go farther than Home Depot on line to find this part. August 26, 2014
Rated 1.0 out of 5.0 by unreliable valve repeatedly stuck open in the middle of the night , wasting water April 7, 2016
Rated 4.0 out of 5.0 by This valve is good, old green one bad This valve is replacing the older Green Lawn Genie valve that broke off just above the input line boss. Wasted 2000 CF of water. Valve in protected area, no sun and never froze. Recommend changing all old green valves. A second one broke but not as bad. The plastic cracked allowing the valve to turn on. January 24, 2012
Rated 5.0 out of 5.0 by Decent Valves I bought these as replacements for the same one that were 5+ years old. One developed a pin hole leak in the cap. We have squirrels. These guys do the job. December 9, 2015
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