taco 5000 not working..??

Discussion in 'Tankless Water Heater Forum' started by bugguts, Dec 27, 2009.

  1. bugguts

    bugguts New Member

    Messages:
    5
    Location:
    cen New Jersey
    we have a relatively new Taco mixer valve 5000...... cold going in ........ very hot coming out of the coil to the valve,,,,,,,, lukewarm ( at best) going into the domestic water system ! Cold showers !
    I have the valved turned all the way ,counterclockwise (H) but still the same ,,,, Iturned it all the way back no change,
    could the valve have failed , or could it be stuck, ( less then a year old.). city water ,,,,,, not hard,,,,
  2. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    taco 5000: "Fail-Safe on Hot or Cold Supply Failure "


    Have you checked with Taco and with the manufacturer of your tankless to see if that valve is appropriate for your application??

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