NSF Product and Service Listings

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NSF/ANSI 50
Equipment for Swimming Pools, Spas, Hot Tubs
and Other Recreational Water Facilities


 
Whitten Products Division 
Hydrotech Systems, Ltd.
13 Green Mountain Drive 
P.O. Box 648 
Cohoes, NY 12047 
United States 
518-783-0038
Visit this company's website

Facility : Cohoes, NY

Sand Type Filters

Model Number Filter Type Design
Filtration Rate
GPM Per ft²		 Effective
Filtration
Area (ft²)		 End Use

Single-Cell Tank[1]
1U-1C-102[2] [3] High Rate Sand 5-20 56.7 Pool
1U-1C-108[2] High Rate Sand 5-20 63.6 Pool
1U-1C-114[2] High Rate Sand 5-20 70.9 Pool
1U-1C-120[2] High Rate Sand 5-20 78.5 Pool
1U-1C-36 High Rate Sand 5-20 7.1 Pool
1U-1C-42 High Rate Sand 5-20 9.6 Pool
1U-1C-48 High Rate Sand 5-20 12.5 Pool
1U-1C-54[2] [3] High Rate Sand 5-20 15.9 Pool
1U-1C-60[2] [3] High Rate Sand 5-20 19.6 Pool
1U-1C-66[2] [3] High Rate Sand 5-20 23.7 Pool
1U-1C-72[2] [3] High Rate Sand 5-20 28.3 Pool
1U-1C-78[2] [3] High Rate Sand 5-20 33.1 Pool
1U-1C-84[2] [3] High Rate Sand 5-20 38.5 Pool
1U-1C-90[2] [3] High Rate Sand 5-20 44.1 Pool
1U-1C-96[2] [3] High Rate Sand 5-20 50.2 Pool 

[1] Indicates units may use optional schedule 120 PVC headers.
[2] Maximum Pressure Loss:
       Flow Rate               Static Pressure      Total Pressure
       gpm/sq ft                 Loss, psig            Loss, psi
          20                         3.7                   5
[3] Optional 12" - 30" bed depth, pressure loss of 6.5 psi at 30".

Multi-Cell Tank[1]
1U-2C-102[2] High Rate Sand 5-20 113.4 Pool
1U-2C-108[2] High Rate Sand 5-20 127.2 Pool
1U-2C-114[2] High Rate Sand 5-20 141.8 Pool
1U-2C-120[2] High Rate Sand 5-20 157 Pool
1U-2C-36 High Rate Sand 5-20 7.1 Pool
1U-2C-42 High Rate Sand 5-20 19.2 Pool
1U-2C-48 High Rate Sand 5-20 25 Pool
1U-2C-54[2] High Rate Sand 5-20 31.8 Pool
1U-2C-60[2] High Rate Sand 5-20 39.2 Pool
1U-2C-66[2] High Rate Sand 5-20 47.4 Pool
1U-2C-72[2] High Rate Sand 5-20 56.6 Pool
1U-2C-78[2] High Rate Sand 5-20 66.2 Pool
1U-2C-84[2] High Rate Sand 5-20 77 Pool
1U-2C-90[2] High Rate Sand 5-20 88.2 Pool
1U-2C-96[2] High Rate Sand 5-20 100.4 Pool
1U-3C-102[2] High Rate Sand 5-20 170.1 Pool
1U-3C-108[2] High Rate Sand 5-20 190.8 Pool
1U-3C-114[2] High Rate Sand 5-20 212.7 Pool
1U-3C-120[2] High Rate Sand 5-20 235.5 Pool
1U-3C-36 High Rate Sand 5-20 7.1 Pool
1U-3C-42 High Rate Sand 5-20 28.8 Pool
1U-3C-48 High Rate Sand 5-20 37.5 Pool
1U-3C-54[2] High Rate Sand 5-20 47.7 Pool
1U-3C-60[2] High Rate Sand 5-20 58.8 Pool
1U-3C-66[2] High Rate Sand 5-20 71.1 Pool
1U-3C-72[2] High Rate Sand 5-20 84.9 Pool
1U-3C-78[2] High Rate Sand 5-20 99.1 Pool
1U-3C-84[2] High Rate Sand 5-20 115.3 Pool
1U-3C-90[2] High Rate Sand 5-20 132.3 Pool
1U-3C-96[2] High Rate Sand 5-20 150.6 Pool 

[1] Indicates units may use optional schedule 120 PVC headers.
[2] Maximum Pressure Loss:
       Flow Rate               Static Pressure      Total Pressure
       gpm/sq ft                 Loss, psig            Loss, psi
          20                         3.7                   5

HVS Series Vacuum Filters[4]
HVS-100 Vacuum Sand 5-20 100.00 Pool
HVS-106 Vacuum Sand 5-20 110.14 Pool
HVS-110 Vacuum Sand 5-20 111.33 Pool
HVS-120 Vacuum Sand 5-20 124.53 Pool
HVS-130 Vacuum Sand 5-20 131.00 Pool
HVS-140 Vacuum Sand 5-20 144.20 Pool
HVS-150 Vacuum Sand 5-20 150.67 Pool
HVS-160 Vacuum Sand 5-20 161.20 Pool
HVS-170 Vacuum Sand 5-20 174.07 Pool
HVS-180 Vacuum Sand 5-20 180.53 Pool
HVS-190 Vacuum Sand 5-20 190.20 Pool
HVS-200 Vacuum Sand 5-20 199.87 Pool
HVS-60 Vacuum Sand 5-20 61.98 Pool
HVS-70 Vacuum Sand 5-20 74.55 Pool
HVS-80 Vacuum Sand 5-20 81.36 Pool
HVS-90 Vacuum Sand 5-20 94.89 Pool 

[4] NSF Listed units have a beginning serial number of 08-98-0001.

HVSM Series Vacuum Filters[5]
HVSM-100 Vacuum Sand 5-20 103.90 Pool
HVSM-110 Vacuum Sand 5-20 110.00 Pool
HVSM-120 Vacuum Sand 5-20 122.20 Pool
HVSM-30 Vacuum Sand 5-20 30.56 Pool
HVSM-40 Vacuum Sand 5-20 42.78 Pool
HVSM-50 Vacuum Sand 5-20 55.00 Pool
HVSM-60 Vacuum Sand 5-20 67.20 Pool
HVSM-70 Vacuum Sand 5-20 73.30 Pool
HVSM-80 Vacuum Sand 5-20 85.56 Pool
HVSM-90 Vacuum Sand 5-20 91.67 Pool 

[5] NSF Listed units have a beginning serial number of 09-98-0001.

Bi-Flow Vertical Pressure Filters[1] [6]
HPSB-36-14 High Rate Sand 5-20 14 Pool
HPSB-42-19 High Rate Sand 5-20 19 Pool
HPSB-48-25 High Rate Sand 5-20 25 Pool
HPSB-54-32 High Rate Sand 5-20 32 Pool
HPSB-60-39 High Rate Sand 5-20 39 Pool
HPSB-66-48 High Rate Sand 5-20 48 Pool
HPSB-72-57 High Rate Sand 5-20 57 Pool
HPSB-78-66 High Rate Sand 5-20 66 Pool
HPSB-82-73 High Rate Sand 5-20 73 Pool 

[1] Indicates units may use optional schedule 120 PVC headers.
[6] NSF Listed units have a beginning serial number starting with C-01.  Units constructed
    of stainless steel will carry an -SS suffix; Units constructed of carbon steel will
    carry a -CS suffix.



NOTE: For units in batteries 2U, 3U, or higher, denote number of tanks.
      
NOTE: All Listed Single Cell and Multi-Cell Tanks with one more than one of the following
      suffixes:
            U - Unisol 2000 Lined
           UR - Unisol 2000R Lined
          SLL - Single lever linkage operation
            A - Automatic operation
         SECT - Split tank construction for 36" through 84" models.
      Bi-Flow and Quad Flow Filters may carry a -SECT suffix to indicate split tank
      construction for
      36" through 66" models.
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