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outdoor reset and hydro air

mikedo Member Posts: 174
with a hydro air system what is the lowest water temp. that people are running without blowing cold air on the homeowner ?


  • EddieG
    EddieG Member Posts: 150
    I have...

    Depending on the customer and air system design, typically 130 degrees. Some at 140 degrees.
  • mikedo
    mikedo Member Posts: 174
    hydro air

    at 140 do you even need a condensing boiler ?
  • Robert O'Brien
    Robert O'Brien Member Posts: 3,537
    "Do you even need a condensing boiler"

    What's the return temp if the supply is 140? How about the modulation component of the picture?
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