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Friday, February 8th 2013, 10:07am

Replacing old control valves

I have an older system in my front yard now. The solenoids are cracked and do not work. The manufacturer is out of business and I am unable to find a replacement. The valves are 1 1/4" with hard piped lines. My question is; should I replace the valves with a 1 1/2" valve or a 1" valve? Will either of these soultions work? I am also planning to add two more zone to my system, approx 12 heads. Any advice offered would be appreciated.


Supreme Member

Posts: 5,294

Location: Metro NYC


Friday, February 8th 2013, 2:43pm

try to post a photo of the old valves

Since we don't know what heads you are talking about, there is no way for me to turn "12 heads" into a rate of flow to match a valve to

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