So When Do you want to Use a Splitter Pump?

HUGH the Ducky Talks Tech

Advantages of a pump per loop:

  • More redundancy, making your heating system less dependent on any one pump.
  • Finer control. Each loop can be on any zone and have its own speed setting.
  • Overhead loops.  They almost demand a pump per loop to make sure air is reliably purged from the loops.
Advantages of splitters:
  • Lower initial cost.
  • More loops per tank. Rather than 2700 square feet max, a tank can serve up to 5400 square feet of floor. In practice it is awkward to run that many loops to one tank. A house that big will usually be served better by two tanks in separate locations. 

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