Hot water amount

Discussion in 'Tankless Water Heater Forum' started by alpercata1, Jan 14, 2010.

  1. alpercata1

    alpercata1 New Member

    Joined:
    Jan 14, 2010
    Location:
    Massachusetts
    I have a Peerless Boilers Series WBV/WV oil burner that was installed in 2007. I consistantly run out of hot water within five minutes, in the shower. Any thoughts on what the problem might be will be appreciated.
     
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    I think I'd install an indirect water heater tank. It sounds like you have an in boiler coil. It might need demineralization, or the aquastat is not keeping the imersion tank hot enough, or it wasn't installed with the proper flow restriction so it can pick up enough heat. If it has a tempering valve, that could have failed, and it is mixing too much cold water in. Those are adjustable, and if you have one, I'd try that first. It would be on the output of the boiler, with both hot and cold inputs, and the mixed outlet goes to the rest of the hot water users. There may be a knob or a hex key hole to enable adjustment.

    If the boiler has a temperature readout, what temp is it set to or holding?
     
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  4. Runs with bison

    Runs with bison Member

    Joined:
    Aug 23, 2009
    Location:
    Midwest
    An additional comment/question: what is the flowrate of the showerhead? The older 5 gpm types could use up hot water pretty quickly. For the past however many years 2.5 gpm "low flow" have been the standard.
     
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