Operating instructions

Fig. 9: Pool Piping for Heat Pump Pool Heaters, Multiple, Primary/Secondary

BRANCH MAIN BRANCH MAIN BRANCH MAIN

15 GPM 2" 2" 15 GPM 2" 2" 15 GPM 2" 2"

30 2" 2" 30 2" 2-1/2" 30 2" 3"

45 2" 2" 45 2" 3" 45 2" 4"

60 2" 2-1/2" 60 2" 3" 60 2" 4"

80 2" 3" 80 2" 4" 80 2" 5"

*Sizing based on 10 ft/sec flow rates

MINIMUM PIPE SIZES

2 UNITS

3-4 UNITS

5-6 UNITS