You will soon. No other way to check on backflow control.

Granted, it can always be jumped, but systems use this as a way to minimize backflow into water systems. Nothing like siphoning lots of yard chemicals into the public drinking water system.

A neighbor built a system from his house. Couldn't understand why his water started tasting funny. Chemicals were flowing into his house.

and he is a Hokie engineer! But it was EE so it didn't really count.

In response to this post by WestyHokie

Posted: 10/18/2017 at 1:43PM

Anyone in Loudoun County have a recommendation for Annual Sprinkler System -- BRVT 10/18/2017 12:51PM

HydroTech -- FauquierHokie 10/18/2017 6:14PM

Do you need an annual contract? Here in CO, we just -- WestyHokie 10/18/2017 1:36PM

That is basically what I am saying, hire a company to handle the on/off -- BRVT 10/18/2017 1:47PM

Good luck finding companies that agree on proper coverage -- WestyHokie 10/18/2017 1:54PM

You will soon. No other way to check on backflow control. -- 48zip 10/18/2017 1:43PM

Have you thought about doing this yourself? I have been using my own -- BayHokie 10/18/2017 12:56PM

Compressed air should not be needed if system is drainable. -- East Cobb Hokie 10/18/2017 1:19PM

Well first issue is LoCo requires backflow testing annually by certified -- BRVT 10/18/2017 12:58PM

Only if they know you have one. ** -- HokieNoVA 10/18/2017 1:06PM

Almost certainly, "they" installed it. At least that's the case in -- 48zip 10/18/2017 1:37PM

The county installed your sprinkler system? ** -- HokieNoVA 10/18/2017 3:40PM

Many plumbers can do that for $50-75, especially when -- 48zip 10/18/2017 1:01PM

Yep, you're screwed ** -- BayHokie 10/18/2017 12:59PM

You will soon. No other way to check on backflow control.

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