ES-RWT-FRP
Rainwater Harvesting - Storage Tank
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. –––––––––––––––––––––––––––––––––––
RWT-FRP
Underground FRP Tanks
Sizes: Up to 50,000 Gallon Capacity
Fiberglass Reinforced Plastic (FRP) tanks for underground installation are engineered for commercial rainwater harvesting applications with storage capacities up to 50,000 gallons.
Manufactured in UL or cUL listed facilities, tanks and accessories are engineered to meet or exceed most applicable codes, standards, material certifications, and regulatory requirements.
Tanks are rated for H20 or HS-20 vehicular traffic loading as defined in the AASHTO Standard Specifications for Highway
Bridges. Plumbing connections and calming inlets are factory installed to meet site specific project requirements.
Advantages:
• Corrosion resistant fiberglass reinforced plastic construction
• Nominal storage capacity options up to 50,000 gallons
• Rated for H20 and HS-20 vehicular traffic loading
• Single piece construction
• Maximum burial depth up to 7 FT
• Multiple manufacturing locations across North America
Features
• Inlet, outlet, vent, and discharge connections in PVC
Schedule 40 to meet site specific requirements. (additional connections available)
• Pre-plumbed calming inlet to minimize water turbulence
• Optional manway riser diameters and heights to accommodate varying burial depths and in-tank installed equipment.
• Optional tank anchoring system with concrete deadmen, turnbuckles, and straps
• Optional FRP ladder for ease of accessibility
RWT-FRP
NOTICE
The information contained herein is not intended to replace the full product installation and safety information available or the experience of a trained product installer. You are required to thoroughly read all installation instructions and product safety information before beginning the installation of this product.
WARNING
Rainwater supplied by Watts rainwater harvesting systems is not potable water and is not intended for potable water applications.
Do Not Drink Water supplied from Watts rainwater systems and related equipment. Users shall determine the suitability of the product for the intended application before using.
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on
Watts products previously or subsequently sold.
Typical Tank Layout
Available Models
Model
RWT-FRP6-2
RWT-FRP6-3
RWT-FRP6-4
RWT-FRP6-5
RWT-FRP6-6
RWT-FRP6-7
RWT-FRP6-8
Nominal Capacity
(Gallons)
2,000
3,000
4,000
5,000
6,000
7,000
8,000
RWT-FRP8-2
RWT-FRP8-3
RWT-FRP8-4
RWT-FRP8-5
RWT-FRP8-6
RWT-FRP8-7
RWT-FRP8-8
RWT-FRP8-9
RWT-FRP8-10
RWT-FRP8-11
RWT-FRP8-12
RWT-FRP8-13
RWT-FRP8-14
RWT-FRP8-15
RWT-FRP10-7
RWT-FRP10-8
RWT-FRP10-9
RWT-FRP10-10
RWT-FRP10-11
RWT-FRP10-12
RWT-FRP10-13
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000
15,000
7,000
8,000
9,000
10,000
11,000
12,000
13,000
Actual Capacity
(Gallons)
2,376
2,973
4,131
5,064
5,960
7,154
8,050
2,189
3,271
4,218
5,165
6,084
6,946
7,950
8,869
9,816
10,763
11,682
13,081
14,028
14,975
7,358
8,160
8,961
10,563
11,364
12,068
12,966
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
8’-0”
Tank Diameter
(Inches)
6’-3 ½”
6’-3 ½”
6’-3 ½”
6’-3 ½”
6’-3 ½”
6’-3 ½”
6’-3 ½”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
Tank Length
(Inches)
13’-5 3/4”
16’-4 1/4”
21’-11 1/8”
26’-5”
30’-8 3/4"
36’-5 3/4"
40’-9 1/2"
9’-1/2”
12’-3”
15’-1/2”
17’-8 1/2"
20’-6 1/2"
23’-1”
26’-1/2”
28’-9”
31’-6 1/2"
34’-4”
37’-1/2”
41’-2”
43’-11 1/2"
46’-9”
15’-11 1/4"
17’-3 3/4"
18’-8 1/4"
21’-5 1/4"
22’-9 3/4"
24’-1/4”
25’-6 3/4"
1,000
1,400
1,800
2,200
2,600
3,000
3,400
3,800
4,200
4,700
5,100
5,600
6,000
6,600
Weight
(Pounds)
1,300
1,600
2,200
2,600
3,000
3,500
4,100
3,100
3,500
3,800
4,500
4,800
5,100
5,500
Model
RWT-FRP10-14
RWT-FRP10-15
RWT-FRP10-16
RWT-FRP10-17
RWT-FRP10-18
RWT-FRP10-19
RWT-FRP10-20
RWT-FRP10-21
RWT-FRP10-22
RWT-FRP10-23
RWT-FRP10-24
RWT-FRP10-25
RWT-FRP10-26
RWT-FRP10-27
RWT-FRP10-28
RWT-FRP10-29
RWT-FRP10-30
RWT-FRP10-31
RWT-FRP10-32
RWT-FRP10-33
RWT-FRP10-34
RWT-FRP10-35
RWT-FRP10-36
RWT-FRP10-37
RWT-FRP10-38
RWT-FRP10-39
RWT-FRP10-40
RWT-FRP12-20
RWT-FRP12-25
RWT-FRP12-30
RWT-FRP12-35
RWT-FRP12-40
RWT-FRP12-45
RWT-FRP12-48
RWT-FRP12-50
34,000
35,000
36,000
37,000
38,000
39,000
40,000
27,000
28,000
29,000
30,000
31,000
32,000
33,000
Nominal Capacity
(Gallons)
14,000
15,000
16,000
17,000
18,000
19,000
20,000
21,000
22,000
23,000
24,000
25,000
26,000
20,000
25,000
30,000
35,000
40,000
45,000
48,000
50,000
34,543
35,397
36,944
37,744
38,544
40,145
41,004
27,385
28,141
29,741
30,590
32,142
32,942
33,794
Actual Capacity
(Gallons)
13,767
15,248
16,851
17,652
18,453
19,254
20,055
21,779
22,575
23,381
24,181
25,783
26,540
20,781
25,541
31,253
36,013
39,821
44,352
48,389
50,293
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
Tank Diameter
(Inches)
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
10’-4”
11’-11”
11’-11”
11’-11”
11’-11”
11’-11”
11’-11”
11’-11”
11’-11”
50’-3 3/4"
51’-8 1/4"
54’-3/4”
55’-9 3/4"
58’-6 3/4"
59’-11 1/4”
61’-3 3 3/4"
62’-8 1/4"
64’-3/4”
66’-9 3/4"
68’-2 1/4"
69’-6 3/4"
72’-3 3/4"
73’-8 1/4"
Tank Length
(Inches)
26’-11 1/4"
29’-5 3/4"
32’-2 3/4"
33’-7 1/4"
34’-11 3/4"
36’-4 1/4"
37’-8 3/4"
40’-8 1/4”
42’-3/4”
43’-5 1/4"
44’-9 3/4"
47’-6 3/4"
48’-11 1/4"
29’-4”
35’-7”
43’-1”
49’-4”
54’-4”
60’-7”
65’-7”
68’-1”
14,900
15,400
16,000
16,400
16,700
17,400
17,900
11,700
12,100
12,800
13,200
13,900
14,200
14,600
Weight
(Pounds)
5,800
6,600
7,200
7,600
7,900
8,200
8,600
9,400
9,700
10,100
10,400
11,100
11,400
9,200
10,800
13,100
14,700
16,100
18,000
19,300
20,000
Options
Suffixes
Plumbing Connections
- P4
- P6
- P8
- P10
6 inch PVC schedule 40 inlet and overflow pipe connections
6 inch PVC schedule 40 inlet and overflow pipe connections
6 inch PVC schedule 40 inlet and overflow pipe connections
10 inch PVC schedule 40 inlet and overflow pipe connections
- P12
- P14
- P16
- P18
12 inch PVC schedule 40 inlet and overflow pipe connections
14 inch PVC schedule 40 inlet and overflow pipe connections
16 inch PVC schedule 40 inlet and overflow pipe connections
18 inch PVC schedule 40 inlet and overflow pipe connections
- V4
- V6
- V8
4 inch PVC schedule 40 vent connection
6 inch PVC schedule 40 vent connection
8 inch PVC schedule 40 vent connection
- R2424
- R2436
- R2448
- R3024
- R3036
- R3048
- R3624
- R3636
- R3648
- LD
- AP
24 inch diameter by 24 inch tall riser with FRP lid kit
24 inch diameter by 36 inch tall riser with FRP lid kit
24 inch diameter by 48 inch tall riser with FRP lid kit
30 inch diameter by 24 inch tall riser with FRP lid kit
30 inch diameter by 36 inch tall riser with FRP lid kit
30 inch diameter by 48 inch tall riser with FRP lid kit
36 inch diameter by 24 inch tall riser with FRP lid kit
36 inch diameter by 36 inch tall riser with FRP lid kit
36 inch diameter by 48 inch tall riser with FRP lid kit
Add FRP ladder kit
Tank anchoring package including deadmen anchors, straps, and turnbuckles
ES-RWT-FRP 1813
USA: T: (978) 689-6066 • F: (978) 975-8350 • Watts.com
Canada: T: (905) 332-4090 • F: (905) 332-7068 • Watts.ca
Latin America: T: (52) 81-1001-8600 • Watts.com
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