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tankless water heater

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IF I HAVE LOW PRESSURE ( P1 ) CODE, DOES THAT MEAN I NEED TWO PUMPS ON MY 2 ZONE SYSTEM INSTEAD OF THE ONE PUMP I AM USING?

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  • Abracadabra
    Abracadabra Member Posts: 1,948
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    uhm.. you really need to provide more info... brand and model of heater to begin with..
  • Gordy
    Gordy Member Posts: 9,546
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    And what pump you are using.
  • Jack
    Jack Member Posts: 1,047
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    Zones, zones? Surely you aren't using a tankless water heater for space heating!