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SFTM Top Mount Sand Filter

The SFTM’s deep, high-capacity sand bed carries more debris and extends filter cycles.

The SFTM sand filter is engineered to direct water evenly across the entire surface of the sand without sand migration or channeling. Top-mount sand filters boast an extra deep sand bed for improved filtration. Its blow-molded tank is corrosion and UV resistant and the bottom drain is ideal for winterizing and draining. Other features include 7-way dial valve with "sight glass," automatic air relief and pressure gauge. Deep high-capacity sand bed carries more debris and extends filter cycles.

Upper Distribution System is integrated into the dial valve and engineered to direct water evenly across the entire surface of the sand. Up to 25 gpm/sq.ft (61 m³/h per m²) without sand migration or channeling.

Non-Corrosive Resin Clamp allows 360° rotation of the dial valve for simple installation, alignment, and service of dial valve and filter components.

Heavy-duty, freeze-resistant under-drain, with "snap-fit" side slotted laterals, draws water evenly across the full diameter of the sand bed for higher flows, better filtration, longer cycles and more efficient backwashing.

Features

  • High-capacity sand bed carries more debris and extends filter cycles
  • Engineered to direct water evenly across the entire surface of the sand without sand migration or channeling
  • Dial Valve with automatic air relief and pressure gauge
  • Bottom drain for easy winterizing and draining
  • Blow-molded tank is corrosion and UV-resistant

Technical Details

  • Blow molded construction
  • Available in 22.5" (572 mm) and 25" (635 mm) models.
  • 7-Position dial valve with "Sight-Glass"
  • Dial valve clamp allows 360* rotation for installation options
  • Combination sand and water drain plug
ModelDescription
SFTM22Jandy Pro Series Sand Filter, Top Mount, 22"
SFTM25Jandy Pro Series Sand Filter, Top Mount, 25"
Feature SFTM22 SFTM25
Filter Area 2.64 ft.2 3.30 ft.2
Design Flow Rate 25 gpm/ft.2 25 gpm/ft.2
Maximum Flow 66 gpm 83 gpm
Six Hour Capacity 23,760 gallons 29,880 gallons
Eight Hour Capacity 31,680 gallons 39,840 gallons
Max. Working Pressure 35 psi 35 psi
Sand Required 250 lbs. 350 lbs.
Sand Requirements #20 Silica Sand, Size Range 40-55mm #20 Silica Sand, Size Range 40-55mm
Dimension "A" 30.75" 34"
Dimension "B" 33.25" 36.5"
Dimension "C" 37.5" 40.75"
Dimension "D" 22.5" 25"
Dimension "E" 11.5" 13.5"

Dirt returns to pool.

1. Hole in filter cartridge, replace filter cartridge if necessary.
2. Worn o-ring seal inside filter. Replace o-ring.

High pressure on start up.

1. Small eyeball fitting in pool/spa
2. Partially closed valve on return line.
3. Pump may be oversized. Check selection.
4. Filter dirty. Clean filter per instructions.

Low water flow.

1. Check pump basket for debris.
2. Check for air leaks on suction side.
3. Check for restrictions or blockage in either suction or return lines.
4. Filter needs to be cleaned or replaced.
5. Pool water level too low.
6. Pump not primed.
7. Pump impeller vanes blocked.
8. Strainer baskets not being used and/or not being cleaned regularly.
9.Pump operating under speed (low voltage) or at low speed.

Short filter cycles.

1. Presence of algae. Check sanitizer levels.
2. Check pH and total alkalinity.
3. Pump output exceeds design flow rate of filter. Check pump performance.
4. Ineffective cleaning, check conditions, replace filter cartridge.

Water is not clear.

1. Insufficient sanitizer level.
2. Incorrect pool chemistry.
3. Heavy bathing and or dirt loads.
4. Incorrect flow.
5. Insufficient running times.
6. Filter is dirty. (Clean per instructions.)
7. Hole in filter element.

FiltersJS Top Mount Filter Parts

Launch our online catalog viewer to review breakout diagrams and part numbers.

learn more
FileDescriptionSize
SL6255.pdfSFTM Sand Filter Brochure2.33 MB
SA6262.pdfJandy SFTM Series Filter Specification Sheet546.36 KB
H0230500.pdfTop Mount Sand Filters I/O Manual666.29 KB
H0328100.PDFJandy SFTM Sand Filter Replacement Kits699.35 KB
 
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