Pentair STA-RITE U-3 Skimmer - Multi-Skimmer Installation and Pipe Sizing; Parts List

U-3 Skimmer Installation Guide
3
Pool No. of
Surface Area
In Square Ft . 30 35 40 45 50
Up to 600 1 2" 2" 2" 2" 2"
1,000 2 2.5 2.5 2.5 2.5 3
1,500 3
2,000 4
2,500 5 4 4 4 4 5
3,000 6 4 4 5 5 5
3,500 7 4 5 5 5 5
4,000 8 5 5 5 5 6
4,500 9 5 5 5 6 6
5,000 10 5 5 6 6 6
Key. Public Pool Residential Pool
No. Part Description U-3 Models U-3 Models
White, w/2 x 11/2 NPT Reducers 08650-1403 08650-4403
White, w/2 x 11/2 Slip Reducers 08650-1404 08650-4404
Tan, w/2 x 11/2 NPT Reducers 08650-2403 08650-5403
Tan, w/2 x 11/2 Slip Reducers 08650-2404 08650-5404
Tan/Gray, w/2x11/2 NPT Reducers 08650-3403E –
Tan/Gray, w/2x11/2 Slip Reducers 08650-3404E –
Tan/Gray, w/2x11/2 NPT Reducers 08650-6403E –
Gray, w/2x11/2 NPT Reducers 08650-3403 –
Gray, w/2x11/2 Slip Reducers 08650-3404 –
1 Frame and Grate Kit (Tan) 08650-0159 08650-0159
1 Frame and Grate Kit
(White) 08650-0169 08
650-0169
2 Basket and Handle 08650-0007 08650-0007
• Basket Handle Only 08650-0067 08650-0067
3 Float Assembly w/O-Ring 08650-0079 –
4 Float O-Ring Only 35505-1273 –
5 Check Valve 08655-0017 –
6 Hinged Weir Assembly 08650-0022A 08650-0022A
• Weir Bumper 08650-0018 08650-0018
• Screw #8 x 3/8" 37207-0825 37207-0825
7 Screw #8 x 1/2" 37207-0027 –
8 Trimmer Plate 08650-0048 –
9 Vacuum Plate 08650-0042 –
4"
4"
4"
"2.5"2.5
4"
.5"2"2.5
5"
4,000 Sq. Ft. Pool
8 Skimmers
40 GPM Each
Main Drain
Main Drain
Minimum
3' Apart
Figure 6: 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.
Parts List
Multi-Skimmer Installation and Pipe Sizing
Skimmer Rated
Flow (GPM)
Skimmers
Req
4 4 4 4 4
3 3 3 4 4