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The Grundfos Comfort
System is a one-pump, one-valve combo that installs without the need of a
return line to the water heater.
TheGrundfos Comfort System is a one-pump, one-valve combo
that installs without the need of a return line to the water heater. The
Comfort System – not to be confused with a more expensive and involved
“tankless” or “instantaneous” water heater – provides convenience and comfort,
delivering hot water instantly from any water source of the home.