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Home » Backflow Testing, Repair, Installation » A funny thing happened as I was testing a device at a dry cleaners yesterday.

A funny thing happened as I was testing a device at a dry cleaners yesterday.

As I was testing a Backflow Device (wilkins 975XL, 3/4″), I was shocked to find.

Let me set it up.

I flushed out the test cocks, flushed my hose, and proceeded to test the device.  My gauge kept falling to zero as I was checking apparent pressure across the number 1 check valve.  I cleaned my gauge and let some water fly, and began to retest.  I kept seeing the needle on my gauge fall to 0 when it should have been above 5.0.

I took off the cover to the number 1 check valve assembly.  What did I find?  Nothing!

I found there was no check valve spring, disc, or disc holder.  It was pretty bizarre.

I had a talk with the do it your selfers that made the relief valve stop leaking with no regard to the function of the backflow device.

This was an eye opening backflow test.

 

2 Responses so far.

  1. Brad says:

    Wow, what did he do to keep the RV sealed. Where are those photos? I would so love to see that.

  2. Dan Todd says:

    I wanted to investigate. But, I figured once I touch it, I own it. I thought it safe to keep their water service on and immediately fail and turn report in to the city.
    I am very curious how they blocked the relief valve.

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