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The last 4 posts

Sunday, October 19th 2003, 3:50pm

by Rays Sprinklers

if you install inground valves definatly use the 2400T valves

Wednesday, October 15th 2003, 8:38pm

by wchang

Thanks for the suggestions SprinklerGuy!

Wednesday, October 15th 2003, 5:10am

by SprinklerGuy

It is actually common to see this happen.....tighten the screws. The screws on these antisiphon type valves work loose due to movement in the valves when coming on and going off as well as (my opinion here, not a scientific fact) expansion and contraction of the plastic valve parts in sun/shade heat/cold......you will have to tighten screws often on these valves if you want a completely leak free enviornment.

If it is practical...install a PVB or whatever is code in your area for backflow prevention...and install new below ground valves. Would be better.

Sunday, October 12th 2003, 5:25pm

by wchang

leaky valves

I have 5 zones in my small lawn (recently bought the house). Only 2 zones are hooked up to sprinkler lines (in use). The other 3 had short lengths of PVC pipes pointing into the ground (unused) put not hooked up to functional sprinkler lines (don't ask me why the previous owners did this). The 5 valves that control these zones are all located together on the side of my house. I had a landscaper plug the 3 unused pipes since I did not want to mistakenly turn on those 3 zones and have massive amounts of water discharged near the valves (ie during power outage when the controller resets - this happened a couple of days after I moved in and I had a flooded side yard). All 5 valves are antisiphon valves. Now when one of the zones that is working shuts off, water temporarily sprays out of the seal of a couple of the unused valves. Does anyone know why this happens? From the best of my knowledge, this only started after I have the 3 unused pipes plugged. Did this cause the leakage? Thanks in advance for any help I receive.