wewille Posted December 19, 2014 Report Share Posted December 19, 2014 My problem is while showering the water will turn cold after a little while. I had a heating company rep. work on it and he installed a check valve in the outlet line going up to the heat exchanger unit in the attic, This did no solve the problem. I replaced the hot water tempering valve spring/knob etc with service parts(Watts Series 70A) with no help. I also replaced the Hot Water tank with one of the same specs, no help. This unit was installed when the house was built in 1989. I inherited the problem when I bought the house a couple a years ago. Does anyone have an answer for this? Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted December 20, 2014 Report Share Posted December 20, 2014 Has anyone checked the dip tube? Quote Link to comment Share on other sites More sharing options...
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