I had a sprinkler system installed fall of 06. Worked great for the rest of the season. When I turned the system on this spring nothing but problems.
A little history about the system. It was installed by a reputable installer. The back flow(Febco 850) was installed outside in the ground in a sprinkler box. I was told by numerous people it should be in the house due to possible freezing. Over the winter I relocated the backflow inside the house where the water comes into the house from the city main. I also replumbed the sprinkler line feed that had been plumbed in after my house pressure regulator because of to little pressure for my sprinklers. Now my sprinklers are fed from the main line with no prv. The sprinkler valves when coming on are very noisy. Like a loud bang. The do not do it all the time nor do all the valves do it every time. By removing the back flow completely I was able to stop the problem. I know I need a back flow so I put it back outside in the original location thinking I would have no problem. The system worked fine for about a day once again very loud banging noise when the valves come on. City pressure was about 110 coming into the house. Which is about normal for my house. I did not notice the current problem until I noticed a drop in pressure to about 50-60 psi. I do not know why the drop in pressure from the city but my neighbors are the same way.
I have tried putting a prv on the sprinkler side with no help. Can anyone shed any light on my situation. I would greatly appreciate it
A little history about the system. It was installed by a reputable installer. The back flow(Febco 850) was installed outside in the ground in a sprinkler box. I was told by numerous people it should be in the house due to possible freezing. Over the winter I relocated the backflow inside the house where the water comes into the house from the city main. I also replumbed the sprinkler line feed that had been plumbed in after my house pressure regulator because of to little pressure for my sprinklers. Now my sprinklers are fed from the main line with no prv. The sprinkler valves when coming on are very noisy. Like a loud bang. The do not do it all the time nor do all the valves do it every time. By removing the back flow completely I was able to stop the problem. I know I need a back flow so I put it back outside in the original location thinking I would have no problem. The system worked fine for about a day once again very loud banging noise when the valves come on. City pressure was about 110 coming into the house. Which is about normal for my house. I did not notice the current problem until I noticed a drop in pressure to about 50-60 psi. I do not know why the drop in pressure from the city but my neighbors are the same way.
I have tried putting a prv on the sprinkler side with no help. Can anyone shed any light on my situation. I would greatly appreciate it