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HOW TO FIND A FILTER CARTRIDGE REPLACEMENT

  1. Mesure the outside diameter of the cartridge (in inches + or - 1/32").
  2. Measure the cartridge length (in inches + or - 1/16") including end caps but excluding any handles or other extensions. We recommends measuring through the center (if possible) rather than along the outside edge.
  3. Identify the cartridge outside edge end cap configuration using chart at the bottom of this page. If the top and or bottom is "open," measure the inside diameter (in inches, + or - 1/32") of the top and or bottom.
  4. Record the OEM name and model of the filter cartridge that came out of the equipment (if possible).
  5. Count th enumber of pleats (+ or - 2 pleats) and note whether there is a center core or not.

3-3-12

Unicel 8000 Series Filters

Search tips:

The series of the filters (i.e. 2000 series) indicates the diameter of the filter. For example if you had a filter that is 2-3/4" wide then it would be a 2000 series filter. If you had a filter that was 7-1/2" in diameter it would be a 7000 series filter. 

Special filters that are closed on the top and have male threads on the bottom would be found in the CH series filters. The first number in the part number would indicate the diameter of the filter as indicated above. Example 6CH50 would be about 6" in diameter.

All measurements are in inches and top and bottom are open unless noted. To match handle types see the chart below or click on the handle description.

Unicel #

Manufacture

Square Ft.

Pleat Count

Top

Bottom

OD

Length

Price

QTY

C-8310

RecWarehouse

100

186

2-3/16"

3-1/8"

8-1/2"

15-3/16"

$53.95

Quantity:
 

 

C-8311

Hayward CC1000RE

100

194

4"

4"

8-15/16"

17-3/8"

$58.95

Quantity:
 

 

C-8315

RecWarehouse

150

189

2-3/16"

3-1/8"

8-1/2"

22-11/16"

$77.95

Quantity:
 

 

C-8316

Hayward CC1500RE

150

215

4"

4"

8-5/16"

23-5/16"

$72.95

Quantity:
 

 

C-8317

Hayward CC1750RE

175

251

4"

4"

8-15/16"

23-5/16"

$81.95

Quantity:
 

 

C-8319

Hayward CC2000

200

226

4"

4"

8-15/16"

29-7/16"

$96.95

Quantity:
 

 

C-8320

Sundance Spas

120

200

Castle

2-1/2"

8-7/16"

18-1/8"

$65.95

Quantity:
 

 

C-8325

Sundance Spas

125

201

Closed

2-1/2"

8-7/16"

18"

$65.95

Quantity:
 

 

C-8326

Sundance Spas

125

199

1-1/2"

2-1/2"

8-7/16"

19"

$67.95

Quantity:
 

 

C-8340

Hayward CX400RE

40

140

VGrove SC Han

4-1/16"

8-1/2"

10-3/4"

$33.95

Quantity:
 

 

C-8341

Micro Filter

40

267

4"

4"

8"

6-3/4"

$37.95

Quantity:
 

 

C-8350

Vita Spas

50

258

1-9/10"

2-3/8"

8-1/2"

7-1/4"

$36.95

Quantity:
 

 

C-8380

Sundance Spas

80

174

Closed

2-1/2"

8-7/16"

14"

$50.95

Quantity:
 

 

C-8399

Caldera Spas

100

259

Semi-Circle

3-5/8"

8"

16-1/2"

$59.95

Quantity:
 

 

C-8401

Purex DM

75

117

4"

4"

8-7/8"

19-1/2"

$74.95

Quantity:
 

 

C-8402

Purex DM

90

140

4"

4"

8-7/8"

19-1/2"

$84.95

Quantity:
 

 

C-8403

Purex DM

120

186

4"

4"

8-7/8"

19-1/2"

$93.95

Quantity:
 

 

C-8405

Pures DM

180

139

4"

4"

8-7/8"

39"

$109.95

Quantity:
 

 

C-8406

Purex DM

240

186

4"

4"

8-7/8"

39"

$160.95

Quantity:
 

 

C-8409

Hayward CX900RE

90

174

4"

4"

8-5/16"

17-3/8"

$59.95

Quantity:
 

 

C-8410

Jandy CS100

100

143

4"

4"

8-15/16"

23-5/16"

$69.95

Quantity:
 

 

C-8411

Hayward CX760RE

75

145

4"

4"

8-15/16"

17-3/8"

$57.95

Quantity:
 

 

C-8412

Hayward CX1200RE

120

172

4"

4"

8-5/16"

23-5/16"

$67.95

Quantity:
 

 

C-8413

Sta-Rite PXC-125

125

184

4"

4"

8-15/16"

28-3/16"

$74.95

Quantity:
 

 

C-8414

Waterway CW2 150

150

215

4"

4"

8-15/16"

23-5/16"

$83.95

Quantity:
 

 

C-8415

Astral 2515CE

150

202

3-3/4"

3-3/84

8-15/16"

24-7/16"

$79.95

Quantity:
 

 

C-8416

Sta-Rite PXC150

150

177

4"

4"

8-15/16"

28-3/16

$85.95

Quantity:
 

 

C-8417

Hayward C1750RE

175

202

4"

4"

8-15/16"

28-3/16"

$100.95

Quantity:
 

 

C-8418

Jandy CS200

200

200

4"

4"

8-15/16"

33-1/8"

$110.95

Quantity:
 

 

C-8419

Waterway CW200

200

285

4"

4"

8-15/16"

23-5/16"

$109.95

Quantity:
 

 

C-8420

Hayward C1900RE

200

236

4"

4"

8-15/16"

28-3/16"

$107.95

Quantity:
 

 

C-8425

Jandy CS250

250

250

4"

4"

8-15/16"

33-1/8"

$126.95

Quantity:
 

 

C-8449

Astral 2505

50

162

3-3/4"

3-3/4"

8-15/16"

10-1/4"

$47.95

Quantity:
 

 

C-8450

Coleman Spas

50

193

2-1/16"

2" Male S

8"

9"

$36.95

Quantity:
 

 

C-8465

Hot Springs Spa

65

234

3"

3"

8-1/2"

10-1/2"

$46.95

Quantity:
 

 

C-8474

Astral 2507CE

75

165

3-3/4"

3-3/4""

8-15/16"

15"

$64.95

Quantity:
 

 

C-8475

Coleman Spas

75

197

2-1/16"

2"Male S

8"

13"

$44.95

Quantity:
 

 

C-8499

Astral 2510CE

100

168

3-3/4"

3-3/4"

8-15/16"

19-11/16"

$68.95

Quantity:
 

 

C-8600

Hayward CX800RE

75

153

4-1/16"

4-1/16"

8-1/2"

17-3/8"

$57.95

Quantity:
 

 

C-8610

Hayward CX1100RE

100

153

4-1/16"

4-1/16"

8-1/2"

12-5/16"

$66.95

Quantity:
 

 

Cartridge Filter Cleaning Instructions (Chlorine Users)

You should clean the filter element when the pressure increases 8 PSI (pounds per square inch) above the clean pressure. If you are using Baquacil®, Soft Swim® or some type of biquanide system you should first clean the element with a chemical specifically designed for this sanitizing system (see adjacent block for cleaning process). Spa filters require more frequent chemical cleanings than pools elements.

1. Remove the cartridge from the filter housing following the manufacture's instructions.

2. Use a garden hose with a straight flow nozzle to wash down the filter element. Work from the top down, holding the nozzle at a 45 degree angle, and wash all the pleats with emphasis between pleats.

3. Rinse until all dirt and debris are gone. At this point if the element does not need to be chemically cleaned you can return the element back to the filter housing. However, filter elements tend to work better if they go in the filter housing dry so it is a good idea to have 2 filters one would be in use while the other is being cleaned and dried.

4. If you are chemically cleaning the filter, follow the directions on the filter cleaner manufacture's bottle or web site for how to apply the solution.

5. Rise the cartridge again to insure the chemical cleaning solution has been removed.

6 If the filter has a coating of algae, calcium carbonate (scale), iron (looks brown), or other minerals, soak the cartridge in a solution of one part acid to twenty parts of water until all bubbling stops. WARNING: Failure to remove all oils and cleaning solutions before acid soaking will result in a permanent restriction of water flow and cause premature cartridge failure.

7. Rinse the cartridge clean and let dry (see note in step 3).

Note: DPW does not recommend the use of diatomaceous earth (DE) with cartridge filters. DE particles will become trapped in the body of the media and shorten the cartridge's life.  If desired, a cellulose fiber (Zeofiber) can be used in moderation.

 

Cartridge Cleaning Supplement for Biguanide Users

Unlike chlorine which oxidizes the bacteria in the water, the active ingredient in biquanide systems, polyhexamethylene biqunaide (PHMB), destroys the bacterial cells. PHMB locates and binds the bacterial surfaces, then attacks the outer bacterial wall. Once this wall has been compromised, the inner cell membrane (the cytoplasmic membrane) is destroyed. This destruction allows the cell contents to disperse into their surrounds where they are further broken down into their elemental parts by non-chlorine oxidizer such as Baqua Shock® or Soft Swim C®.  A simpler explanation; If you had a log in a fire place and you set fire to it when it was done burning you would have very little of the original log left over. This is the equalivent of using chlorine in the pool. However if you used a saw you would have all of the log left over in a huge pile of saw dust. This is what a biquanide system does. So there is far more mess to clean up clogging the filter faster.

In addition, Baqua Shock® and Soft Swim C® are mild coagulatns which combine bacterial cells and other small particles in the environment into particles large enough to be trapped by the filter. The resulting deposit is gray sticky film on the media which can only be removed by using Baqua Clean® or Soft Swim Filter Cleaner®. If trisodium phosphate (TSP) or any TSP type cleaner is used prior to stripping the film, the substance cannot be removed from the media and the filter cartridge must be replaced.

WARNING: Follow all manufacture's instructions, warnings and cautions when using Baquacil® or Soft Swim® products.

     

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