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    notsohandy100's Avatar
    notsohandy100 Posts: 2, Reputation: 1
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    #1

    Jan 26, 2009, 02:11 PM
    What is cross contamination
    My new water heater just cost $1150.00 because we had something called cross contamination? It took the plumber two days to find the problem. Is that normal?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 26, 2009, 03:25 PM
    No it is not normal but cross contamination can mean may different things.
    notsohandy100's Avatar
    notsohandy100 Posts: 2, Reputation: 1
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    #3

    Jan 26, 2009, 04:36 PM

    Our plumber took two days cutting holes until he found a bad valve which was allowing the cold and hot water to mix. Hence the cross contamination.
    Sound correct? Good thing it did fix the problem but did he string us along? Could this be diagnosed easily?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Jan 26, 2009, 04:47 PM
    If the valve was burrieed behind the wall and they had to find it I could understand the charges but my question is what was the valve installed for to start with. What was its true purpose (what did it actually do)? If it has been there for years why did it have to be removed now? I would have had many questions for the plumber who did the work. If the system worked with the valve in it for many years why did it have to be removed now.

    I have a valve in my system for over 30 years. It is called a water tempering valve and it is for just one area of the home that I just wanted warm water in never hot. I guess you could call it cross contaminated also but I would never let a plumber take it out.
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