Admiral
™
S-20 Automatic Skimmer Installation Guide
4
3"
3"
3"
2"
2"
3"
2"
2"
6"
4,000 Sq. Ft. Pool
8 Skimmers
40 GPM Each
Main Drain
Main Drain
Minimum
3' Apart
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p
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C A 9 3
021
Parts List
(Continued)
OUTSIDE MOUNT ...... 9.5"
GUNITE THROAT ....... 5.5"
SHORT THROAT ........ 9"
LONG THROAT ........ 13.5"
WIDE THROAT ......... 13.5"
A
Figure 7: Multi-Skimmer Installation
with pipe sizing. Note multiple main
drains.
Table 1: Suction Pipe Sizing by
Surface Area of Pool and Rated flow
Capacity of Skimmers.
Multi-Skimmer Installation and Pipe Sizing
Pool
No. of
Surface Area
Skimmers Skimmer Rated Flow (GPM)
In Square Ft.
Req.
30
35 40 45 50/60
Up to 600
1
2" 2" 2" 2" 2"
1,000
2
2½
2½ 2½ 2½ 2½
1,500
3
2½
3 3
3 4
2,000
4
3
4 4
4 4
2,500
5
4
4 4
4 4
3,000
6
4
4 4
4 5
3,500
7
4
4 5
5 5
4,000
8
4
5 5
5 5
4,500
9
4
5 5
5 6
5,000
10
5
5 5
6 6
5,500
11
5
5 6
6 6
6,000
12
5
5 6
6 6
Acceptable Flow Rate (10-60 GPM)
