Intex Krystal Clear SX925 Owner's Manual
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Intex Krystal Clear SX925 Owner's Manual

Sand filter pump
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Krystal Clear™ Sand Filter Pump
Certified Model Number SF40110
For illustrative purposes only.
Don't forget to try these other fine Intex products: pools, pool
accessories, inflatable pools and in-home toys, airbeds and
boats available at fine retailers or visit our website.
Due to a policy of continuous product improvement, Intex
reserves the right to change specifications and appearance,
which may result in updates to the instruction manual without
notice.
DO NOT RETURN PRODUCT TO STORE
To purchase parts and accessories or to obtain non-technical assistance, Visit
For technical assistance, missing parts or warranty claims call (for U.S. and Canadian Residents):
Monday through Friday, 8:30am to 5:00pm Pacific Time
(354PO) SAND FILTER PUMP ENGLISH 7.5" X 10.3" PANTONE 295U 06/18/2021
IMPORTANT
SAFETY RULES
Read, understand, and follow
all instructions carefully before
installing and using this product.
IMPORTANT!
www.intexcorp.com
1-310-549-8235
354
English
PO
354-*PO-R0-2206

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June 2, 2025

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Summary of Contents for Intex Krystal Clear SX925

  • Page 1 Krystal Clear™ Sand Filter Pump Certified Model Number SF40110 For illustrative purposes only. Don’t forget to try these other fine Intex products: pools, pool accessories, inflatable pools and in-home toys, airbeds and boats available at fine retailers or visit our website.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Warnings................3 Parts References............4-5 Setup Instructions............6-10 Product Specifications........... 6 Operating Instructions............ 11-13 Intex Pools Operating Time Table........14 Non-Intex Pools Operating Time Table......15 Maintenance..............16 Long Term Storage............16 Troubleshooting Guide........... 17 Common Pool Problems..........18 General Aquatic Safety...........

  • Page 3: Warnings

    (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English IMPORTANT SAFETY RULES Read, Understand and Follow All Instructions Carefully Before Installing and Using this Product. READ AND FOLLOW ALL INSTRUCTIONS WARNING • To reduce the risk of injury, do not permit children to use this product. Always supervise children and those with disabilities.

  • Page 4: Parts References

    (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English PARTS REFERENCE Before assembling your product, please take a few minutes to check the contents and become familiar with all the parts. * If this pump was not purchased as part of a pool set, the above parts can be ordered at www.intexcorp.com if needed.
  • Page 5 (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English PARTS REFERENCE (continued) Before assembling your product, please take a few minutes to check the contents and become familiar with all the parts. REF. NO. DESCRIPTION QTY. SPARE PART NO. PRESSURE GAUGE 13078 TANK COVER &...

  • Page 6: Setup Instructions

    (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English PRODUCT SPECIFICATIONS The sand filter removes suspended particles but does not sanitize your pool. Pool chemistry is a specialized area and you should consult your local pool service specialist for details. Power: 110-120 Volt AC Amperage:...
  • Page 7 (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English SETUP INSTRUCTIONS ( continued ) Sand loading: IMPORTANT: Use No. 20 silica sand or glass sand with particle size range 0.45 to 0.85 mm (0.018 to 0.033 inches) and a Uniformity Coefficient less than 1.75. NOTE: Before loading the tank with sand, ensure the sand filter grid and center pipe assembly is securely in place on the tank bottom, and the center pipe (7) is vertically centered inside the tank.
  • Page 8 (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English SETUP INSTRUCTIONS ( continued ) WARNING Improper tank valve and clamp assembly could cause the valve and clamp to blow off and cause serious injury, property damage or death. 4-way valve installation: Make sure the tank o-ring (5) is in place (see drawing 7).
  • Page 9 (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English SETUP INSTRUCTIONS ( continued ) Motor installation: Make sure a hose o-ring (6) is on the pump motor outlet. Connect the sand filter interconnecting hose (13) to the pump motor outlet with a hose clamp (see drawing 11). Connect the pump motor unit to the tank support base (see drawing 12.1).
  • Page 10 (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English SAND FILTER PUMP HOSE CONNECTION SETUP WARNING • Position this product away from the pool, so as to prevent children from climbing on it and accessing the pool. The 4-way valve has three hose connection ports.

  • Page 11: Operating Instructions

    (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English OPERATING INSTRUCTIONS WARNING • Risk of electric shock. Connect this product only to a grounding type receptacle protected by a ground-fault circuit interrupter (GFCI) or residual current device (RCD). Contact a qualified electrician if you cannot verify that the receptacle is protected by a GFCI/RCD.
  • Page 12 “BACKWASH” under “initial startup and operation” section. Vacuuming device (i.e. Intex auto pool cleaner) attached to the system may also cause the flow to diminish and the pressure to rise. Remove any vacuuming device from the system and check if the pressure gauge reading has dropped from the yellow zone to the green zone.
  • Page 13 (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English OPERATING INSTRUCTIONS (continued) Operating the system under “TIMER” mode or manually: To operate the sand filter pump in “FILTER” mode under “TIMER” control: 1. Activate the unit: Press button.

  • Page 14: Intex Pools Operating Time Table

    This table shows the required operating time for average use of the sand filter pump with above ground pools. If the system is attached to an “Intex Saltwater System” unit, the filter pump running time should be longer than the required operating time of the Intex Saltwater System unit.

  • Page 15: Non-Intex Pools Operating Time Table

    (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English NON-INTEX POOLS OPERATING TIME TABLE This table shows the required operating time for average use of the sand filter pump with above ground pools. Sand filter pump operating time...

  • Page 16: Maintenance

    (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English POOL CARE & CHEMICALS • All pools require care to keep the water clear and hygienically clean. With proper chemical control, your filter will help attain this objective. Consult your pool supply dealer for instructions regarding the proper use of chlorine, algaecide and other chemical agents required for sparkling clear water.

  • Page 17: Troubleshooting Guide

    • An air leak on the intake hose. • Tighten hose clamps, check hose for damage. • Faulty motor or the impeller is jammed. • Contact Intex service center. 4-WAY VALVE/ • Sand tank o-ring missing. • Remove 4-way valve cover and ensure the o-ring is in place.

  • Page 18: Common Pool Problems

    • Finger tighten all caps. LEVEL • The drain valves are loose. SEDIMENT • Dirt or sand on pool floor. • Heavy use, getting in and • Use Intex pool vacuum to ON POOL out of pool. clean bottom of pool. BOTTOM SURFACE •...

  • Page 19: General Aquatic Safety

    (354PO) SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/18/2021 English GENERAL AQUATIC SAFETY Water recreation is both fun and therapeutic. However, it involves inherent risks of injury and death. To reduce your risk of injury, read and follow all product, package and package insert warnings and instructions.

  • Page 20: Limited Warranty

    Your Sand Filter Pump has been manufactured using the highest quality materials and workmanship. All Intex products have been inspected and found free of defects prior to leaving the factory. This Limited Warranty applies only to the Sand Filter Pump and accessories listed below.

This manual is also suitable for:

Sf40110

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