Guide To Pool Heating

Page 44 of 51

Appendix A

REFERENCE INFORMATION

This

technical

information

will

help

you

determine

if

your

pump is the proper size for handling the additional “head” (in feet)
of either a solar panel system or the SolarAttic Solar Pool Heater.

FRICTION LOSS IN 1 1/2” PLASTIC PIPE

Feet of head per 100 feet of Schedule 40 PVC pipe
Flow RateVelocityFriction Loss

(Gallons per Minute)

(Feet per Second)

(Feet per 100 feet of pipe)

4
5
6
7
8
9
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
55
60

.63
.79
.95
1.10
1.26
1.42
1.58
1.89
2.21
2.52
2.84
3.15
3.47
3.78
4.10
4.41
4.73
5.04
5.36
5.67
5.99
6.30
6.62
6.93
7.25
7.57
7.88
8.67
9.46

1.50
.225
.300
.400
.520
.630
.770
1.07
1.39
1.76
2.11
2.58
2.98
3.60
4.20
4.70
5.30
5.85
6.40
7.00
7.85
8.50
9.20
9.80
10.06
10.15
10.24
10.45
10.69