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hot water demands

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rjm
rjm Posts: 60
in THE MAIN WALL
Installing indirect tanks that far exceed the heat loss of the home.
If the hot water is only used for morning showers/evening dishes.
Is it needed to size a boiler to the combined load?
(ie. 100,000btu indirect/40,000btu heat loss = 140,000btu boiler or to 110,000btu boiler?)

Comments

  • Jim_139
    Jim_139 Posts: 61
    Indirect

    Size the boiler to the heat loss. Your hot water production is only going to require about 35,000 btu's a day
  • kpc_74
    kpc_74 Posts: 14
    True.... unless

    they have a car wash shower! I have a SSU 60 w/ Sparco MV and a Buderus 115-21 boiler. the storage allows the boiler lag time to not run out of hot water.
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