1
vote
1answer
118 views

Can I repair this crack in my sprinkler backflow preventer?

I have a crack in one part of my sprinkler backflow preventer/vacuum breaker. It looks a lot like this: Can I re-seal this crack? Or do I have to buy a whole new assembly?
0
votes
1answer
140 views

How can I attach an air compressor to the pictured sprinkler system

I bought a house that has a bad DIY sprinkler system. I am trying to figure out how to attach an air compressor to the system so I can blow it out. The below photo is the only external place on the ...
6
votes
1answer
847 views

How do I “un-winterize” my sprinkler system?

I just moved into a house in which the sprinkler system has been winterized. I want to get it going again, but I'm not sure what to do about these four valves here. The previous owner told me that ...
3
votes
3answers
2k views

Why would a sprinkler Air Valve leak after winterization?

I had someone come over my house and winterize the sprinklers. He explained to me what he did: He said he closed the main valve to the sprinkler system, hooked up a compressor and blew out all the ...
1
vote
1answer
155 views

Draining irrigation system for the winter

What's the best way to drain an outdoor irrigation system, which includes sprinklers and drip irrigation? I've drained them as well as I could by opening a faucet in the basement (a few feet below ...