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This is HORRIBLE ADVICE !!! Sprinklers should not be blown out through the BFP !!! Should NOT be blown out with a garage or home owner size compressor. They do not provide enough CFM (amount) of air... usually way to high of pressure !! Should not Ever use more than 80 PSI. Doing so will damge pipes and valves !! Need to have at least a 1/2" size hose to carry enough CFM to properly get ALL water out of a system. 4 min may not be long enough to clear all the water from the lines. THIS IS ALL VERY BAD INFORMATION OF A BLOW OUT... Do what he has said to turn off water. Drain it inside your house and open drain in valve box or you may have auto drain in there. OPEN BOTH the peices he said to hook air up too. But dont hook up air and do what he has said. You will damage your system. Just drain it all and call a true professional that uses professional size equipment that produces adequit air pressure and VOLUME. If not call a professional in the spring for repair that is much more costly than a blow out done correctly !! For you Keller Williams... shame.on you for this horrible information and leading unsuspecting people to damage their systems !!!

Yeah that setup definitely needs to be updated with an in-line connection either before or after the back-flow preventer. You are not supposed to put compressed air through the test valves, that has an extremely high chance to premenantly damage the back-flow preventer.

I thought you wasn't supposed to blowout through the test cogs? I have the same back flow preventor

Guys do not listen to this video the information is wrong and will damages system in your home beware .

this is not how to do this. i sell and teach plumbers all day how to do this wright and this is how you damage you backflow

We had this..... it was junk and didn’t shred anything

100 year mortgages will be a thing.

You forgot to mention that the valve for the water supply that you shut off in the basement needs to be turned off also outside the one under the syphon bell before you hook your compressor hose on to proceed

Thanks you very much for the information 😀😍

I am sorry to say, that you are literally creating a cross connection when you blow through the test valves. The backflow preventer is redundant, it has a check valve and a popit valve and should be installed 12 in above your highest outlet. When introducing the air through a test valve you are eliminating the Total protection of the device. There must be a tee installed after the backflow device to introduce air into the irrigation system, with the outlet valve of the backflow preventer shut off. While the procedure used in this video may be effective, it is improper methodology. Also in the state of Indiana, according to the Cross connection control rule 327 IAC 8-10, it is illegal. Just saying.

0:50 WTF clean up your kitchen before you put it on video for the world to see.

Just bought a house and am confused… the previous owner told me to hook up the air to the exact same valve you did on the backflow preventer, but the Febco instructions (and other commenters) say this can damage the backflow preventer. Hmmm

Should NOT be running through the backflow preventer EVER

This Is The Town I’ve Lived In For 14 Years

Tysm I needed to know lol nice vid

How many gallons is your compressor?

It's probably important to note that your PSI need to be set low--60 or less--since you may damage the backflow preventer and/or flexible underground tubing if you're using it. Thanks for your video!

I'm fairly sure that blowing air through the PBV is harming the seals in the valve. I always blow out through a port AFTER the valve! Just saying. To each his own.

I moved to Colorado 20 years ago, and this is how I was taught and haven't had a problem, however, I'm always open for better ways to do it!

Thanks, your video cleared some of my doubts

T

Ohio State pfft!

That outro was so loud.

Open houses, when done correctly, result in faster sales at a greater selling price. Damian and the Wise Team do a fantastic job with their open house marketing and the turnout proves it.