Tag Archives: Why Backflow devices need to be inspected.

Sometimes, Backflow not is Pretty

 

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Ugly fail on a Wilkins 950

This is pretty good example of why backflow prevention assemblies need to be inspected annually. This disc did not get like this in a year. Buy Wilkins: Rubber Repair Kit 3/4"-1" for 950XL and 975XL, RK34-950XLR

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Another Check Valve Fail on a PVB

The seat of the PVB is part of the body and damaged. In this case the repair kit was not effective. This is a replacement. The repair parts are very handy to have on hand though. Most of the time the rubber kit or check kit will fix this. Occasionally, the seat becomes damaged and […]

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This was a bypass and it failed with continuous discharge out of the relief valve.

A repair is needed on this. We could not leave the water supply open to this assembly.

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Repair on a Wilkins 375 3″ has some twists and turns

We tested several backflow prevention assemblies at one location and came across this leaky port on the relief valve cover. We started the repair thinking we could use a rubber kit on the relief valve. The inside of the relief valve cover had a groove in it where the relief valve fits into the relief […]

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