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Tuesday, November 18th 2014, 6:29pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

The adjustable nozzles work just fine now. I may try those no-springs spray heads when I need to install new sprinklers.

Tuesday, November 18th 2014, 12:43pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

How does a sprayer pops up without a spring? I think that the higher your valves are, the less chance they create wet spots. My valves are almost 4 feet above the ground. They are high enough for now. Do I need to pain those PVC pipes above the ground with silver paint to prevent them from Sun damage?

Sunday, November 16th 2014, 5:21pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

I replaced RainBird 1800 Series (1804-VAN) spring-loaded pop-up sprayers with RainBird 15' adjustable nozzle attached to 1/2' x 10' PVC nipples.

Saturday, November 15th 2014, 7:40pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

The spring-loaded pop-up sprayers are the culprits. Here was the number of spring-loaded pop-up sprayers this morning. Zone 1 and 2: no spring-loaded pop-up sprayers, dry valves. Zone 3 (the highest zone): 2 spring-loaded pop-up sprayers were replaced with regular sprinkler heads, the valve creates wet spot. Zone 4 (at the bottom of the slope): 4 spring-loaded pop-up sprayers, dry valve. Zone 5 (at the top of the slope): 2 spring-loaded pop-up sprayers were replaced with regular sprinkler heads,...

Thursday, November 13th 2014, 10:11pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

Mr. Fixit, Thank you very much for sharing your thoughts with us! The amount of spillage from the anti-syphon cap is small. But it still creates a wet spot, which I don't like. To avoid water runoff, I run my sprinkler system 2 minutes at a time and several times a day between 4:30 am and 5:30 am. For each time I run, I get a spillage from the anti-syphon cap. It just adds up. Someone suggests that I install a downstream check valve to stop the spillage under the zone 3 valve. Is that a good ide...

Tuesday, November 11th 2014, 6:09pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

Wet Boots, All the spring-loaded sprinkler heads installed in my yards are the Rain Bird 1800 Series Pop-up Spray Heads (without SAM). I would appreciate it very much if you could tell me how to bank the soil near the valves?

Tuesday, November 11th 2014, 5:50pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

Thank you very much for the solution, Mr. Fixit! Rain Bird makes the 1800-SAM Series Pop-up Spray Heads with Seal-A-Maticâ„¢ Check Valve. Does it work the same way the King check valve does? Why is it against the code to use a check valve?

Monday, November 10th 2014, 5:43pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

Sorry for the confusion, my bad! I just changed the word"valves" to "valve box ground" in my previous posting. The tip of all 5 valves are 40 inches above the ground which are about 20 inches higher than the highest sprinkler head in these 5 zones. I wish I could post a picture of the valves. Does your site allow that? Wet Boots has been very helpful and professional. I really appreciate it!

Monday, November 10th 2014, 10:01am

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

How do you bank the soil near the valves? It's very difficult to repair rotten drainage or add new drainage because my entire front yard and back yard are covered by concrete. Zone 2 and the valve box ground are at the same level. Zone 1 and 3 are on a flower bed which is 1 foot higher than the valve box ground. Zone 5 is on top of the slope which is little bit higher than valve box ground. Zone 4 is at the bottom of the slope. Only zone 4 still have 4 spring-loaded sprinkler heads. Because they...

Sunday, November 9th 2014, 7:06pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

Wet Boots, About 2/3 of my garage's concrete floor is damaged because of underground moisture. The valve boxes are next to my garage. We belive that the source of the moisture come from the leaking valves. That's why I replaced all of them. That's also why I want the new valves to be completely dry. I tried lowering the zone pressures with the flow controls on the zone valves. It worked! None of the 5 valves gushed water. I then tried to put one spring-loaded sprinkler head back in zone 3 becaus...

Sunday, November 9th 2014, 6:49pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

It gushes water for a few seconds and then stops. The valves are Rain Bird 100-ASVF, not jar tops. Jar tops were discontinuned by Rain Bird.

Wednesday, November 5th 2014, 9:52am

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

Thanks Wet Boots! Which inline sprinkler valve do you recommend? I heard that some breakers occasionally eject some water, do you know a good spill-resistant pressure vacuum breaker?

Tuesday, November 4th 2014, 6:39pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

strange thing happened. After I replaced the two spring-loaded sprinkler heads with regular heads in zone 3, water not only gushes out from the anti-siphon cap of the 3rd valve, but also from the 5th valve again. Any ideas?

Monday, November 3rd 2014, 8:11pm

Author: sdgardener

Best way to reduce high water pressure (80 psi)

I called city and was told that the municipal water pressure is 88 (+-10) psi in my area. The water pressure in my house is 65 psi.

Monday, November 3rd 2014, 10:51am

Author: sdgardener

Best way to reduce high water pressure (80 psi)

Someone who works for Home Depot told me that the municipal water pressure could be as high as 160 psi, which could damage the sprinkler valves even if the valves were not in operation. Is that true? That guy suggested that I install a pressure regulator between the shutoff valve and the sprinkler valves. Is this necessary?

Sunday, November 2nd 2014, 7:37pm

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

You are absolutely right! After I replaced the two spring-loaded sprinkler heads with regular heads in zone 5, no water gushes out from the anti-siphon cap of the fifth valve any more. Now water gushes out from the anti-siphon cap of the 3rd valve because there are two spring-loaded sprinkler heads in zone 3. I will replace them with regular heads tomorrow. There are no spring-loaded sprinkler heads in zone 1 and 2. There are spring-loaded sprinkler heads in zone 4. But they are located downhill...

Sunday, November 2nd 2014, 7:20pm

Author: sdgardener

Best way to reduce high water pressure (80 psi)

The valves I installed have flow controls. How do I use flow control to reduce water pressure?

Sunday, November 2nd 2014, 10:38am

Author: sdgardener

Best way to reduce high water pressure (80 psi)

I have a 5-zone sprinkler system using a separate water supply line. The water pressure is 80 psi. Should I install a pressure regulator between the supply line and shutoff valve for my sprinkler system? There is a pressure regulator between the supply line and shutoff valve in my house.

Sunday, November 2nd 2014, 10:25am

Author: sdgardener

Water gushes out from the anti-siphon cap and then stops

Thank you very much your inputs. The fifth zone do have two spring-loaded sprinkler heads. But zone 1-4 also have spring-loaded sprinkler heads. Any idea why water gushes out only from the anti-siphon cap of the fifth valve?