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Hi, when those valves become difficult to move it means they are old or sustained some freezing damage along the way. Be careful here but get a channel lock and see if some light persuasion will move those valves to the closed position. It is common that I need a tool to get a little more leverage to move the valves. With the open channel locks, I straddle both sides of the valve in order to apply even pressure. You should be able to move them. Let me know.

@@CastleRockSprinklerService Thanks for the quick response. I will give it a look.👍

Then there are many possibilities. First I would check to see that there is water at the back flow device. This is checked by opening on of the test cocks. Water will shoot out the opening of the water is to the back flow. If no water then you have not opened the correct valve to the sprinkler system. If water is at the back flow be sure to confirm that both shut off valves on the back flow are open which generally means the valve handles are running perpendicular with the adjoining pipe. If after those checks and there is no water then I would suggest contacting a professional irrigation company for assistance.

@@CastleRockSprinklerService Thank you for the quick response!

Excellent, nice work getting it going!

Glad you liked it

Hi Nan. If the two test cocks are open then water will stream out at a high rate. Depending on the configuration of your system the back flow may not seal if you open the water from the shut off valve and let it fill the system. There are work arounds but difficult to communicate it via texting. If the test cocks are indeed frozen open then those must be replaced. Test cocks can be purchased separately.

Good for you Deb.

Excellent, I am pleased to know the information was helpful.

If you are asking why is water coming from the top of the backflow then it means the plastic parts in the top have likely been compromised. If this is the case then see the video on replacing those parts, the popit and bonnet

There are a number of possibilities and some of those are based on where you live. If you are in areas where the temperatures are moderate over the winter than the valve may be located near the street in a box or perhaps down below the frost line accessed with a street key. If you are in rural land it may be near the pressure tank of the well system. Sometime we see them inside a utility room in a closet in a garage. Other times we find the thing in the ceiling in the basement. If you live where you have neighbors you could ask them where their but off is located and you will likely have the same setup. If all else fails see if you can ask the former owner of the home. Good luck and let me know what you find.

Excellent, glad it helped, call if you have questions.

Very well done! Is that a matrix, p5 panel or what are you using on your garage? You did a great job!

Thanks. All the garage is projection mapping.

​@@CastleRockSprinklerServiceIt came out very good! Is it just one projector you are using?

Hi John, come on over the show is all new this season, there are some interesting additionas.

So glad!

Hi Mark, Good to know the information was helpful. A system winterization is not as straight forward as an activation, there are just more nuances to consider. There is a video showing how to protect the system during an unexpected cold snap, but none showing the complete winterization process.

Good deal. Thanks for the feedback.

I am certain there are other ways to configure a set of extension legs. You sound like an analytical person so you may be on to something.

ATTABOY!,,,ALL GUNS ARE LOADED UNTIL PROVEN OTHERWISE!

EmberASSing. there are no washers. Those are o-rings, the white grease only needs to be on the o-ring prior to pushing into position. Because of your years of experience. I'd be willing to betcha' that if you merely removed the original o-rings, grease them, and then reinstalled them....ALL would be fine. Nice sweater, looks very professional. I won't be calling you.

Hi Keith, how in the world did you find your way to my site anyway. Where is your home?

Hi Sam. Thanks for the kind words. Did you intend to say O ringS? There should only be one O ring on the assembly. The package contains 2 rings: a thick and a thin. Please replace the ring with the same type as was in the assembly you removed. Let me know if this is the issue of if I just misread your reply Ans we will go from there. John

@@CastleRockSprinklerService I should have said O ring. I chose the thicker one since that was what was on the assembly that I removed. The system ran a full cycle this morning and I was hoping the dripping was caused by a pressure imbalance. Nope. It's still dripping. It makes no sense. This should be a simple as changing a light bulb. I'll try it again today. If I still have an issue, I'm thinking about trying plumbers tape.

Hi Sam. Please send a video of the dripping to john@castlerocksprinkler.com. Yes, I agree with you it should seal up and not leak. Perhaps the freezing event distorted the housing but that seems unlikely.

@@CastleRockSprinklerService Hi John. No need, I fixed it! I switched out the thicker O ring for the thinner one. It has a good seal now. Thank-you for your help!

Hey man. Nice work around to keep the top on the assembly. The cap is really non essential to the function of the device. So as long as the stings don’t obstruct and the thing is not leaking call it good. By the way, I keep an insulted cover over my back flow assembly year around. Sure isn’t required but I like the extra level of protection. Thanks for sharing your experience

4.5 out of 5 stars68 Reviews Canopy for 1" & 1-1/4" 765 Backflow Preventer 765EBV Vacuum Breaker by Febco

Amazon has a canopy for a one inch back flow. I don’t see a cover for a 3/4” back flow

@@CastleRockSprinklerService Thanks, I need 3/4”.

sprinklersupplystore.com/products/febco-canopy-765-3-4?variant=43671906249&gclid=Cj0KCQjwg_iTBhDrARIsAD3Ib5jAW9gPSmGer9GSY1ew5RDPdHXvHtkKceGNsaCjnAviBNNJB-M8zycaAil6EALw_wcB

Here you go:sprinklersupplystore.com/products/febco-canopy-765-3-4?variant=43671906249&gclid=Cj0KCQjwg_iTBhDrARIsAD3Ib5jAW9gPSmGer9GSY1ew5RDPdHXvHtkKceGNsaCjnAviBNNJB-M8zycaAil6EALw_wcB

Good job Karen. I’m glad you gave it a try and succeeded!

I’ve never seen a weak spring be the cause of a failure. I have seen low water pressure not be able to hold the bonnet and popit closed. A weak spring would allow a low pressure issue to perhaps keep things sealed up.

Only on handle is required to turn off the flow. However in your situation I would turn both to the off position. The installer was lazy and did not rotate the ball valves to face forward or it was installed backwards. I’m guessing lazy. Don’t concern yourself with the position as long as the unit works and the handles are not obstructed.

Thanks. Agree, it is a fun Christmas tune. So we’ll produced and performed. It is a perfect song for this light show.

Water entered the back flow device and depending on how the valves were set water may have entered the manifold. These two components should be flushed of any water as freezing can cause significant damage. Yes, winterize the system.

@@CastleRockSprinklerService Thank you so much. I will check out your website.

Yep, that is a clever work around. You can't go wrong with an MP Rotator, it is our go to nozzle for new installs or renovations. Thanks for your comment and please forgive the late response. Best to you Randy.