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    Sunvic select 207XL,can't run hot water & heating togeth

    I have a Sunvic select 207XL programmer unit on my water heater /boiler. I can't use both hot water and heating at the same time, they do work independetly though: That is, if the heating works, and you turn on the hot water, 2 things can happen: 1) The hot water pump DOES starts working...
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