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Intex Krystal Clear SX925 - User Manual

Intex Krystal Clear SX925
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354
SD
(354SD) MODEL SF40220 SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 08/26/2021
English
Krystal Clear™
Sand Filter Pump
Certified Model Number SF40220
220 - 240 V~, 60 Hz, 90 W
Hmax 3.0 m, Hmin 0.19 m, IPX4
Max. Water Temperature 35 °C
IMPORTANT
SAFETY RULES
Please read, understand, and follow all
instructions carefully before installing
and using this product. Keep for future
reference.
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.
OWNER’S MANUAL
©2021 Intex Marketing Ltd. - Intex Development Co. Ltd. - Intex Recreation Corp.
All rights reserved/Tous droits réservés/Todos los derechos reservados/Alle
Rechte vorbehalten. Printed in China/Imprimé en Chine/Impreso en China/
Gedruckt in China.
®™ Trademarks used in some countries of the world under license from/®™ Marques utilisées dans certains pays
sous licence de/Marcas registradas utilizadas en algunos países del mundo bajo licencia de/Warenzeichen verwendet
in einigen Ländern der Welt in Lizenz von/
Intex Marketing Ltd. to/à/a/an Intex Development Co. Ltd., Hong Kong &
Intex Recreation Corp., P.O. Box 1440, Long Beach, CA 90801
Distributed in the European Union by/Distribué dans
l’Union Européenne par/Distribuido en la unión Europea por/Vertrieb in der Europäischen Union durch/
Intex Trading B.V.,
Venneveld 9, 4705 RR Roosendaal – The Netherlands
www.intexcorp.com
354-*SD-R0-2208
For illustrative purposes only.

Questions and Answers

  • R
    reyessamanthaSep 19, 2025
    What to do if the pressure gauge on my Intex Water Pump doesn't work?
    • E
      Eric WrightSep 22, 2025
      First, check for any obstructions in the intake of the pressure gauge by unscrewing it from the 4-way valve and clearing any debris. If the pressure gauge is damaged, contact an Intex service center.
  • M
    Mark PayneAug 25, 2025
    What to do if Intex Krystal Clear SX925 filter doesn't pump water or flow is very slow?
    • A
      alexis89Aug 25, 2025
      If the Intex Water Pump filter doesn't pump water or the flow is very slow, first release any trapped air as described in the operating instructions. Then, clear any obstructions in the intake hose by discharging it inside the pool wall. Tighten hose clamps and check the hoses for damage, and ensure the pool water level is adequate. Backwash the filter if the pool is excessively dirty. If the sand media is clogged with dirt, remove about 1 inch of sand if necessary. Ensure the nozzle is at the upper position of the pool inlet and the strainer at the lower position of the pool outlet. Remove any pool vacuuming devices attached to the system line. Also, ensure the inlet threaded air connector is connected to the pool inlet upper hole.
  • O
    Oscar SnyderAug 25, 2025
    What to do if Intex Water Pump doesn’t pump water or flow is very slow?
    • J
      Jonathan BaileyAug 26, 2025
      If your Intex Water Pump isn’t pumping water or the flow is slow, try the following: * Release any trapped air (refer to the operating instructions section). * Clear obstructions in the intake hose. * Tighten hose clamps and inspect hoses for damage; also, check the pool water level. * Backwash the filter if the pool is excessively dirty. * Remove about 1” of sand if the sand media is clogged with dirt or has crusting/caking. * Ensure the nozzle is at the upper position of the pool inlet and the strainer at the lower position of the pool outlet. * Remove any pool vacuuming device attached to the system line. * Confirm the inlet threaded air connector is connected to the pool inlet upper hole.
  • R
    Raymond SpencerAug 27, 2025
    What to do if my Intex Krystal Clear SX925 Water Pump doesn't work?
    • D
      Darrell WolfeAug 27, 2025
      If your Intex Water Pump isn't working, first ensure the pool water level is correct. Then, clean the strainer screens at the pool inlet. Check for air leaks on the intake hose and tighten hose clamps or inspect the hose for damage. If the issue persists, it could be a faulty motor or a jammed impeller.
  • H
    Heather HardySep 23, 2025
    How to stop an Intex Water Pump air jet valve from leaking?
    • S
      Sara YoungSep 23, 2025
      Ensure the air jet valve is tightened and facing up. If it continues to leak, turn the pump ON for a few seconds, then turn it OFF, and repeat this process three times. If the internal seal is dirty, remove the air jet valve, flush out dirt with water, and replace the valve. If the air jet valve is broken, replace it with a new one.
  • B
    Benjamin FergusonSep 23, 2025
    What should I do if the timer on my Intex Water Pump is inaccurate or can't be set?
    • C
      Chad AndersonSep 23, 2025
      Turn off the pump and restart it 5 minutes later. Also, try re-setting the timer. If the issue persists, contact an Intex service center.
  • J
    Jeffrey HunterSep 10, 2025
    What to do if sand is flowing back into the pool from my Intex Water Pump?
    • H
      hfowlerSep 10, 2025
      If sand is flowing back into the pool, ensure you are using only No. 20 silica sand with a particle size range of 0.45 to 0.85 mm (0.018 to 0.033 inches) and a Uniformity Coefficient less than 1.75. If the sand bed is calcified, change the sand.
  • B
    Brandon RomeroSep 12, 2025
    What to do if Intex Krystal Clear SX925 Water Pump pressure gauge doesn’t work?
    • H
      Heidi CarrollSep 12, 2025
      If the pressure gauge on your Intex Water Pump isn’t working, clear any obstructions in the intake by unscrewing it from the 4-way valve.
  • M
    Melissa MillsSep 3, 2025
    How to fix a leaking air jet valve on an Intex Krystal Clear SX925?
    • B
      Bridget KellySep 3, 2025
      If the Intex Water Pump air jet valve is leaking, tighten the air jet valve and make sure it’s facing up. If that doesn't work, turn the pump ON and run for a few seconds, then turn OFF, repeat 3 times. If the internal seal is dirty, remove the air jet valve, flush dirt out with water, and replace the valve back.
  • S
    Suzanne BakerSep 1, 2025
    Why is there a small leak from the air jet valve when my Intex Water Pump is on?
    • C
      Christy RodriguezSep 1, 2025
      If you have a small leak from the air jet valve when the Intex Water Pump is on, remove all accessories (such as solar mat, auto pool cleaner, LED light) from the water circulation line and place the air jet valve cap over the air jet valve. Do not cover the air jet valve with the valve cap under normal situations or when the pump is operating.

Summary

Important Safety Rules

Parts Reference

Product Specifications

Setup Instructions

Pump location and mounting

Details on selecting a suitable location and mounting the pump for optimal operation and cooling.

Sand tank installation

Step-by-step guide for assembling the sand filter tank, including inserting the center pipe and filter grid.

Sand loading

Instructions for properly filling the filter tank with sand, including precautions and distribution methods.

4-way valve installation

Detailed guide on correctly installing the 4-way valve assembly onto the filter tank, ensuring proper sealing.

Motor installation

Steps for connecting the pump motor to the tank base and filter hoses, including mounting considerations.

Sand Filter Pump Hose Connection Setup

Operating Instructions

4-way valve positions and function

Explains the different settings of the 4-way valve and their corresponding water flow directions and functions.

Control panel description

Details the meaning of LED readings and the functions of the control panel buttons for operating the pump.

Initial startup and operation

Guides users through the initial setup and startup process, including air release and backwashing the filter.

Operating the system under TIMER mode or manually

Instructions on how to set the operating timer or run the pump manually, including locking the keypad.

Intex Pools Operating Time Table

Non-Intex Pools Operating Time Table

Pool Care & Chemicals

Long Term Storage & Winterization

Troubleshooting Guide

Common Pool Problems

General Aquatic Safety

Limited Warranty

Intex Krystal Clear SX925 Specifications

General IconGeneral
BrandIntex
ModelKrystal Clear SX925
CategoryWater Pump
LanguageEnglish

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