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Tag Archives: 3″

Expensive Mistake

I had a call today from a customer that asked us to come out and Fix their Backflow Preventer. I asked them to send me a couple of pictures. I was all to happy to help. I can’t fix this. The installation is incorrect. The Wilkins 375 3″ is not approved for installation vertical flow […]

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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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Sand in a 3″ Wilkins 375A RP

We had to clean out the check valves and the relief valve.  This could have been prevented if the contractors flushed out the lines before installing their equipment.  We are happy to help. The actual problem still presented itself after cleaning out the entire assembly and flushing it several times along with the mainline. In […]

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We got a call from a construction site with a new device that was dumping out of the relief valve. Our task, get the water to the building.

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