Intex Sand Filter Pump Instruction Manual: A Comprehensive Guide
Welcome! This manual provides detailed guidance for Intex sand filter pumps, covering installation, operation, maintenance, and troubleshooting.
Explore models like SF90220-1, QX2600, and QX2100 for optimal pool clarity and longevity.
Intex sand filter pumps represent a superior method for maintaining pristine pool water, offering efficient and cost-effective filtration. Unlike cartridge filters, sand filters utilize silica sand to trap debris, providing a longer filtration cycle before cleaning is required. These pumps are designed for above-ground pools, offering various flow rates to accommodate different pool sizes – from smaller family pools to larger recreational spaces.
Models like the Krystal Clear series (including SF90220-1, QX2600, and QX2100) are popular choices, known for their reliability and ease of use. Understanding the core components and operational principles of your Intex sand filter pump is crucial for maximizing its performance and extending its lifespan. This guide will empower you to achieve crystal-clear water with confidence.
Understanding the Benefits of Sand Filtration
Sand filtration offers several key advantages over other pool filtration methods. It provides exceptionally effective debris removal, capturing particles as small as 20-40 microns. This results in remarkably clear and clean pool water, enhancing the swimming experience. Sand filters require less frequent cleaning compared to cartridge filters, saving you time and effort.
Furthermore, sand is a relatively inexpensive filter media, making it a cost-effective long-term solution. The backwashing process, used to clean the sand, is simple and efficient, restoring the filter to optimal performance. Intex sand filter pumps, utilizing this technology, deliver reliable and consistent filtration, ensuring a healthy and enjoyable pool environment for years to come.
Safety Precautions Before Installation
Prioritize safety! Before installing your Intex sand filter pump, always disconnect the power supply to prevent electrical shock. Ensure the pump is properly grounded according to local electrical codes. Never operate the pump if it shows any signs of damage. Inspect all components for defects before assembly.
Locate the pump in a dry, well-ventilated area, protected from direct sunlight and extreme weather. Avoid using extension cords; a dedicated circuit is recommended. Always follow the manufacturer’s instructions carefully. Keep children and pets away from the installation area. Improper installation can lead to hazards; consult a qualified electrician if needed.

System Components and Identification
Explore the parts! This section details each component of your Intex sand filter system, from the filter tank and pump motor to valves and connections.
Identifying Your Intex Sand Filter Pump Model
Locating your model number is crucial for accessing the correct parts, manuals, and support resources. The model number is typically found on a sticker affixed to the pump housing, often near the motor or on the filter tank itself. Common Intex sand filter pump models include the SF90220-1, SX1500, SX2100, and the more advanced QX2600 series.
Carefully examine the pump and tank for this identifying label. Note the complete model number, including any suffixes or revisions. This information will be essential when ordering replacement parts, contacting Intex customer support, or referencing specific troubleshooting guides. Accurate model identification ensures compatibility and a smooth maintenance process for your pool filtration system.
Detailed Parts List (SF90220-1 & Similar)
The SF90220-1 and similar models share core components. Key parts include the filter tank, pump motor, multi-port valve, strainer basket, pressure gauge, and sand. Specific to the SF90220-1 are components like the 126644 tank. Replacement parts often needed are the filter element ‘B’ for larger cartridge pumps, and various seals and O-rings.
Essential for maintenance are the diffuser, lateral assemblies within the tank, and the backwash waste hose connector. Regularly inspect the strainer basket for debris. Understanding each part’s function aids in troubleshooting and repair. A complete parts diagram is usually included within the original packaging or available on the Intex website.
Understanding the Filter Tank
The filter tank is the heart of the system, housing the filtration media – typically sand. Water enters through lateral assemblies, distributing it evenly through the sand bed. As water passes through, particles are trapped, resulting in clean water exiting via the bottom.
The tank’s construction is robust, designed to withstand water pressure. Internal diffusers ensure even water flow and prevent sand from entering the pump. Regular backwashing is crucial to remove accumulated debris and maintain optimal filtration. Inspect the tank periodically for cracks or damage. The tank size dictates the amount of sand required for effective operation.
Pump Motor Specifications
Intex sand filter pump motors are designed for reliable performance. Specifications vary by model, but common voltages include 220-240V. Horsepower typically ranges from 0.75 HP (for smaller models like the SF90220-1) up to 1 HP or higher for larger pools.
Motors are generally single-phase and thermally protected to prevent overheating. Amperage draw is a key specification for electrical circuit requirements. Always verify the motor’s specifications on the pump’s label before installation. Proper voltage and amperage are critical for safe and efficient operation. Consider energy-efficient models for reduced operating costs.

Installation Procedures
Proper installation is key! Select a level, dry location near the pool. Connect plumbing carefully, ensuring tight seals. Electrical connections must adhere to local codes.
Choosing the Right Location for Your Pump
Strategic placement is crucial for optimal performance and longevity of your Intex sand filter pump. Select a level and dry surface, protected from direct sunlight and inclement weather. Ensure the location is within close proximity to both the pool and a grounded electrical outlet, minimizing plumbing and electrical cable lengths.
Avoid areas prone to flooding or excessive moisture, as this can damage the pump motor and electrical components. Adequate ventilation is also essential to prevent overheating. Leave sufficient space around the pump for easy access during maintenance and servicing. Consider noise levels; placing the pump further from living areas can reduce disturbance. A concrete pad is recommended for stability.
Connecting Plumbing – Inlet & Outlet
Proper plumbing connections are vital for efficient water circulation. Begin by applying Teflon tape to all threaded connections to ensure a watertight seal. Connect the inlet hose (typically marked with blue) from the pool drain to the pump’s inlet port. Attach the outlet hose (often red) to the pump’s outlet port, directing it back to the pool return jet.
Ensure hoses are securely clamped to prevent leaks. Avoid sharp bends or kinks in the hoses, as these can restrict water flow. Double-check all connections before starting the pump. Use appropriate hose adapters if necessary to match the pump’s fittings to your pool’s plumbing.
Electrical Connection Requirements
Safety first! Always disconnect power before performing any electrical work. Intex sand filter pumps require a dedicated, grounded electrical circuit. Verify your pump’s voltage (typically 220-240V) matches your local power supply. Never use an extension cord.
A Ground Fault Circuit Interrupter (GFCI) is essential for protection against electrical shock. Consult a qualified electrician for proper installation and wiring. Ensure the electrical outlet is weatherproof if located outdoors. Adhere to all local electrical codes and regulations. Improper electrical connections can damage the pump and create a safety hazard.
Sand Loading Instructions
Proper sand loading is crucial for effective filtration. Use only pool-grade silica sand with a size of 0.8-1.2mm. The amount of sand required varies by model; consult your pump’s specifications (SF90220-1 needs approximately 85 lbs).
Slowly pour the sand into the filter tank, avoiding compaction. Do not overfill – leave space for expansion during backwashing. Ensure the sand evenly distributes within the tank. After filling, operate the pump for 24 hours in filter mode to settle the sand before normal use. Regularly inspect sand levels and replenish as needed for optimal performance.

Operation and Control
Mastering pump control involves understanding valve positions for filter, backwash, rinse, waste, and closed settings. Proper operation ensures clean, safe pool water!
Initial Startup Procedure
Before starting your Intex sand filter pump, verify all plumbing connections are secure and leak-free. Ensure the filter tank is filled with water before operating the pump – this prevents damage to the motor. Plug the pump into a properly grounded outlet, confirming voltage compatibility.
Prime the pump by opening the air relief valve on top of the filter tank until a steady stream of water emerges. Close the valve. Turn the control valve to the “Filter” position. Activate the pump and monitor for any unusual noises or vibrations. Check the pressure gauge; normal operating pressure is typically between 10-25 PSI. Allow the system to run for at least 24 hours to establish proper filtration. Regularly inspect for leaks during this initial period.
Understanding the Control Valve Positions
The control valve is crucial for managing your Intex sand filter system. “Filter” directs water through the sand bed for normal operation, maintaining pool cleanliness. “Backwash” reverses water flow, cleaning the sand of accumulated debris – perform this when pressure rises. “Rinse” follows backwash, resettling the sand bed before returning to filter mode.
“Waste” bypasses the filter, useful for vacuuming large debris directly to drain. “Recirculate” bypasses the filter entirely, circulating water for chemical distribution. “Closed” shuts off all water flow. Always turn the pump off before changing valve positions. Familiarize yourself with each setting for efficient pool maintenance and optimal water quality.
Filter Operation Mode
Filter mode is the standard setting for everyday pool operation, ensuring consistently clean and clear water. With the control valve positioned to “Filter”, water is drawn from the pool, passes through the sand bed, and returns clean to the pool. The sand effectively traps dirt, debris, and impurities.
Monitor the filter pressure gauge regularly. A normal reading is typically between 8-12 PSI above the starting pressure. When the pressure rises 8-10 PSI higher, it’s time to initiate the backwash cycle. Ensure the pump is running during filter mode for continuous circulation and optimal filtration performance.
Backwash Operation – Step-by-Step Guide
Backwashing reverses the water flow, cleaning the sand bed of accumulated debris. First, turn off the pump. Rotate the control valve to the “Backwash” position. Ensure all connections are secure. Restart the pump and allow it to run for 2-3 minutes, or until the water in the sight glass clears.
Next, turn off the pump again. Return the control valve to the “Filter” position. Briefly run the pump to rinse the sand bed, then resume normal filtration. Regularly backwashing maintains optimal filter performance and extends the lifespan of your sand.

Maintenance and Troubleshooting
Regular upkeep ensures peak performance. This section details maintenance schedules, backwashing guidelines, sand replacement, and solutions for common issues like pump failures or low flow.
Regular Maintenance Schedule
Consistent maintenance is crucial for a long-lasting and efficient Intex sand filter pump. Weekly, visually inspect the pump for leaks and ensure all connections remain tight. Check the pressure gauge; a reading 8-10 PSI higher than normal indicates a need for backwashing. Monthly, clean the pump strainer basket to remove debris, preventing reduced water flow.
Every three to five years, depending on usage, the sand requires replacement to maintain optimal filtration. Regularly monitor the pump’s performance and address any unusual noises or vibrations promptly. Proper maintenance prevents costly repairs and ensures consistently clean pool water throughout the swimming season. Prioritize these steps for a trouble-free experience!
Backwashing Frequency Guidelines
Backwashing reverses water flow, cleaning the filter sand. Frequency depends on pool usage and environmental factors. Generally, backwash when the pressure gauge reads 8-10 PSI above the clean starting pressure. Heavy use, like during pool parties, necessitates more frequent backwashing – potentially weekly.
Lightly used pools may only require backwashing every 2-3 weeks; After heavy rain or algae blooms, backwash immediately. Always follow the step-by-step backwash procedure outlined in this manual. Insufficient backwashing leads to reduced filtration, while excessive backwashing wastes water and can disturb the sand bed. Monitor pressure regularly for optimal performance.
Sand Replacement – When and How
Sand replacement is crucial for maintaining optimal filtration. Typically, replace the sand every 3-5 years, depending on usage and water quality. Reduced filtration, even after backwashing, signals sand degradation. Channeling – uneven water flow through the sand – also indicates replacement is needed.
To replace, turn off the pump and release all pressure. Remove the drain plug and allow all old sand to exit. Thoroughly rinse the filter tank. Gradually add the correct amount of new filter sand (refer to your model’s specifications), ensuring even distribution. Reassemble the filter and prime the system before restarting. Use only recommended filter sand types.
Troubleshooting Common Issues – Pump Not Starting
If your pump isn’t starting, first verify the power supply. Check the circuit breaker or fuse box to ensure it hasn’t tripped. Confirm the pump is properly plugged in and the power cord isn’t damaged. Inspect the pump motor for any visible signs of damage.
Next, check for obstructions in the impeller. Debris can prevent the motor from turning. Ensure the control valve is not in the “Off” position. If the motor hums but doesn’t turn, it may require professional servicing. Always disconnect power before inspecting or attempting repairs;
Troubleshooting Common Issues – Low Water Flow
Experiencing low water flow? Begin by checking the skimmer basket and pump strainer basket for debris. A clogged basket restricts water intake. Inspect the filter for excessive dirt buildup, indicating a need for backwashing. Verify all valves are fully open, ensuring unrestricted water passage.
Also, check for kinks or obstructions in the inlet and outlet hoses. Air trapped in the system can also reduce flow; try priming the pump. If the issue persists, the impeller might be worn or damaged, requiring replacement. Remember to disconnect power before any inspection or maintenance.
Winterizing Your Intex Sand Filter Pump
Preparing for winter is crucial to protect your Intex sand filter pump. First, thoroughly backwash the filter to remove all debris. Next, drain all water from the pump, filter tank, and plumbing lines to prevent freezing damage. Remove the drain plug and allow complete drainage.
Disconnect the pump from the power source and store it in a dry, sheltered location. Consider removing the sand if prolonged freezing temperatures are expected. Plug all openings with appropriate caps to prevent insect or debris entry. Finally, cover the filter tank to shield it from the elements.

Specific Intex Models & Compatibility
Explore details for SF90220-1, QX2600, and QX2100 series pumps. Ensure compatibility with your pool size for optimal filtration and a sparkling clean experience.
Intex SF90220-1 Model Details
The Intex SF90220-1 is a popular choice for above-ground pools, offering efficient sand filtration. This model, often referenced with spare part number 126644, is designed for pools requiring a robust filtration system. It features a tank suitable for holding approximately 22.7 kg of sand (sand is typically sold separately).
Key specifications include a pump flow rate of 925 gallons per hour (GPH), making it suitable for medium-sized pools. The system boasts a circulation rate of 2,800 gallons per hour. It operates on a standard 110-120V power supply.
Users appreciate its relatively simple installation and maintenance. Replacement parts are readily available, ensuring long-term usability. This model is a cornerstone of many Intex pool setups, providing reliable and cost-effective water purification.
Compatibility with Different Pool Sizes
Intex sand filter pumps, particularly the SF90220-1, are designed for a range of above-ground pool sizes. Generally, this model is effectively suited for pools holding approximately 8,000 to 15,000 gallons of water. However, optimal performance depends on factors beyond just volume, including pool usage and environmental conditions.
For larger pools exceeding 15,000 gallons, consider upgrading to a more powerful filtration system like the QX2600 or QX2100 series. These offer higher flow rates and improved circulation. Conversely, for smaller pools, a cartridge filter might be a more efficient option.
Always consult Intex’s official guidelines and consider your specific pool’s needs to ensure proper filtration and water quality.
QX2600 & QX2100 Series Overview
The Intex QX2600 and QX2100 series represent advanced sand filter pump systems, often incorporating saltwater chlorination capabilities. The QX2600, a 220V model, delivers a robust filtration rate suitable for larger pools, while the QX2100 offers a balance of power and efficiency for medium-sized pools.
Both series feature integrated salt systems, automating chlorine generation for simplified pool maintenance. These pumps boast high flow rates – the SX1500 offers 1,500 GPH, SX2100 6 m/h, and SX2800 8 m/h – ensuring thorough water circulation.
Key benefits include reduced chemical usage, consistent sanitation, and user-friendly operation. They are designed for easy installation and compatibility with various Intex pool models.

Spare Parts and Accessories
Find replacements for your Intex sand filter pump easily! Options include tank components (like 32 for SF90220-1), filter elements (Type B), and media.
Where to Find Replacement Parts
Locating replacement parts for your Intex sand filter pump is crucial for maintaining optimal performance. Several avenues exist for sourcing these components. Online retailers, such as Amazon and eBay, frequently stock a wide array of Intex parts, including those specific to models like the SF90220-1. Local pool supply stores are also excellent resources, offering both parts and expert advice.
Directly contacting Intex customer support can provide part numbers and guidance on authorized dealers. When ordering, always verify the part number matches your pump model to ensure compatibility. Websites specializing in pool parts often have detailed diagrams to aid in identification. Remember to consider shipping costs and return policies when purchasing online. Prioritize genuine Intex parts for guaranteed quality and fit.
Compatible Filter Media Options
Choosing the right filter media is vital for efficient pool water purification. While standard silica sand is the most common option for Intex sand filter pumps, alternatives exist. Glass filter media offers superior filtration and a longer lifespan compared to sand, though it’s typically more expensive. Zeolite sand provides enhanced clarity and can remove ammonia, but requires more frequent backwashing.
Polymer sand is a lightweight option that doesn’t clump and reduces backpressure. Ensure the media’s grain size is compatible with your pump model – typically, #20 silica sand is recommended. Avoid using fine sand, as it can clog the filter. Always follow Intex’s guidelines for media quantity and replacement schedules for optimal performance and water quality.
Understanding Filter Element Types (B, etc.)
Intex utilizes various filter element types, designated by letters like ‘A’, ‘B’, and ‘C’, each designed for specific pump models and filtration needs. Type ‘B’ filters, for instance, are commonly used with larger cartridge filter pumps serving pools 18ft and over, offering substantial filtration capacity. These aren’t directly applicable to sand filter systems.
Sand filters themselves don’t utilize replaceable ‘elements’ in the same way as cartridge filters. Instead, they rely on the sand media. However, understanding these designations is crucial when purchasing replacement parts for related components. Always verify the correct filter type or media specification based on your Intex pump’s model number to ensure compatibility and optimal performance.

Warranty Information
Intex offers warranty coverage on its sand filter pumps, details varying by region and model. Contact Intex customer support for specific terms and claim procedures.
Intex Warranty Coverage Details
Intex warranties its sand filter pumps against manufacturing defects for a specified period, typically one year from the date of purchase. This coverage encompasses defects in materials and workmanship under normal residential use. The warranty does not cover damage resulting from improper installation, misuse, negligence, acts of God, or unauthorized modifications.
To make a warranty claim, retain your original proof of purchase and contact Intex customer support. They will guide you through the process, which may involve returning the defective pump or parts for inspection. Intex will, at its discretion, repair or replace the defective product or component. Warranty service is void if the pump is used for commercial purposes. Always register your product online for faster service!
Contacting Intex Customer Support
Need assistance? Intex offers multiple channels for customer support regarding your sand filter pump. For quick answers to frequently asked questions, visit the Intex website’s support section. You can also reach their customer service team via phone during business hours – check the website for current times and numbers specific to your region.
Email support is another option, allowing you to describe your issue in detail and potentially include photos. When contacting support, have your pump model number and proof of purchase readily available. Intex also maintains an online help desk where you can submit requests and track their progress. Their dedicated team is committed to resolving your concerns efficiently.






































































