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SECTION F: DOMESTIC HOT WATER PIPING
When designing the water piping system for domestic water applications, water hardness should be considered. Table D-
1 indicates the suggested flow rates for soft, medium and hard water. Hardness is specified as grains per gallon.
TABLE F-1
DOMESTIC WATER HEATING BOILER
FLOW RATE REQUIREMENTS
Delta T = Temperature rise in °F GPM = Gallons per minute See Table D-1 for Pressure Drop
Figure F-1a
SINGLE BOILER DOMESTIC HOT WATER WITH ONE STORAGE TANK
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Figure F-1b
SINGLE BOILER DOMESTIC HOT WATER WITH ONE STORAGE TANK AND CHX