ClearWater II Waterway Cartridge Filter Standard System: Complete Product Manual

The clearwater ii Waterway Cartridge Filter Standard System is a compact, high-flow pool filtration system designed to deliver strong circulation, simple maintenance, and reliable water clarity for above-ground pool owners. Built around Waterway’s cartridge filtration platform, it combines a space-saving filter tank with a high-performance pump, making it a practical choice for users who want efficient filtration without a bulky footprint. This system is especially popular with residential pool owners, first-time installers, and anyone replacing an older sand or DE setup with a lower-maintenance cartridge option.

One of its biggest advantages is ease of use. The standard system typically includes a large pump trap, clear lid for quick inspection, hose fittings, clamps, and a base that supports stable installation. Waterway’s Safety Lock Ring system is designed to help simplify maintenance while supporting safe operation. Depending on the configuration, the system is available in multiple filtration sizes, including 75, 100, 125, 150, and 200 square feet, so buyers can match performance to pool volume and circulation needs. The clearwater ii Waterway Cartridge Filter Standard System is a strong fit for above-ground pools, seasonal backyard pools, and pool owners who value straightforward upkeep.

Estimated pricing generally ranges from about $480 to $700+ depending on filtration size, pump configuration, and retailer availability. Replacement cartridges are widely sold, and the system is commonly available through pool supply stores, online marketplaces, and specialty distributors. If you are searching for a dependable cartridge filter system that balances value, performance, and maintenance convenience, this model remains a competitive choice.

Specifications and Key Features of the ClearWater II Cartridge Filter System

Filtration area: 75, 100, 125, 150, or 200 sq. ft. depending on model configuration.
Flow rate: Up to 75 GPM for 75 sq. ft. models, 100 GPM for 100 sq. ft., 125 GPM for 125 sq. ft., and 150-200 GPM on higher-capacity versions.
Pool turnover: Commonly supports approximately 27,000 to 72,000 gallons in 6- to 8-hour turnover windows depending on model.
Pump type: Hi-Flo II high-performance single-speed or dual-speed pump options.
Housing: Large filtration tank with small footprint design for easier placement in tight equipment areas.
Pump trap: Large 6-inch trap with clear lid or 2-piece lid, depending on version.
Connections: Two 1 1/2-inch hoses with clamps and complete fittings package.
Electrical options: Available with 3 ft twist-lock cord or 3 ft NEMA plug, depending on model.
Maintenance support: Safety Lock Ring system for easier service access.
Mounting: Deluxe base system with support for add-on chlorinator or timer kits.

Compared with basic entry-level cartridge filters, the clearwater ii Waterway Cartridge Filter Standard System offers a stronger pump package and more robust flow handling. Against higher-end standalone systems, it delivers a simpler, more affordable setup while still offering respectable turnover performance and easy routine cleaning.

Setup Guide: How to Install and Configure the ClearWater II System

Start by placing the system on a flat, stable surface close to the pool plumbing and electrical supply. Assemble the base, pump, and filter tank according to the included fittings package, then confirm that all unions, hose clamps, and lid seals are properly seated before filling the system with water. For safety, always switch off power before handling any electrical connection, and never run the pump dry.

Next, connect the 1 1/2-inch hoses to the pool intake and return ports. If your configuration includes a timer or chlorinator accessory, install those components on the accessory base before startup. For dual-speed models, choose low speed for regular circulation and high speed for vacuuming or heavy debris loads. This helps reduce energy use while keeping water movement consistent.

After connections are complete, prime the pump, open the air relief if equipped, and inspect for leaks. If water flow appears weak, check for a clogged cartridge, loose hose clamp, or air trapped in the line. If the pump will not start, verify power, plug type, breaker status, and timer settings. Always keep the lid and safety ring secured before operation.

Troubleshooting Common ClearWater II Cartridge Filter Problems

Low water flow: Clean or replace the cartridge, inspect the pump basket, and check hoses for kinks or blockages.
Air in the system: Tighten unions, inspect the lid O-ring, and confirm the water level is high enough in the pool.
Pump will not start: Check the breaker, power cord, timer, and any GFCI protection device.
Leaking at lid or fittings: Re-seat seals, replace worn O-rings, and avoid over-tightening clamps.
Dirty water after startup: Backflush by removing and rinsing the cartridge thoroughly, then re-prime the system.
Unusual noise or vibration: Make sure the base is level, the pump is properly primed, and the motor is not running dry.

Error codes are not commonly used on this style of mechanical cartridge filter system. Instead, most issues show up as pressure loss, poor circulation, or pump startup failure. Preventive maintenance includes weekly basket checks, regular cartridge rinsing, seasonal deep cleaning, and inspection of seals before peak swimming season. Warranty coverage and support vary by retailer and model package, so keep your purchase documentation for service claims. For help, contact the retailer, the pool installer, or Waterway customer support through the official company service channels listed with your product documents.

Pros and Cons of the ClearWater II Cartridge Filter Standard System

Pros

Compact footprint: Fits well in smaller equipment pads while still offering strong filtration capacity.
Easy maintenance: Cartridge cleaning is simpler than sand replacement or DE handling.
Strong flow options: Multiple filter sizes make it easier to match pool size and turnover needs.
Convenient design: Clear lid, union fittings, and accessory-ready base improve usability.
Good value: Often less expensive than larger commercial-style systems while still delivering dependable performance.

Cons

Cartridge upkeep is recurring: Filters must be rinsed and replaced over time, especially in heavily used pools.
Not ideal for every pool size: Very large pools may need a higher-capacity configuration.
Basic control features: Standard systems may not include advanced digital controls or premium automation.
Replacement parts matter: Performance depends on using the correct cartridge and compatible fittings.

For buyers comparing cartridge filters, this model stands out as a practical middle-ground option. It offers more convenience than many sand systems and a cleaner maintenance routine than DE filters, while remaining accessible for residential pool owners looking for solid value.

Customer Reviews and Real-World Feedback

Customer feedback for the clearwater ii Waterway Cartridge Filter Standard System is generally positive, with many users praising its compact design, easy installation, and strong circulation performance. Average sentiment is commonly in the 4 to 4.5 star range for buyers who prioritize maintenance simplicity and reliable everyday operation.

“Great fit for my above-ground pool. The water stays clearer, and cleaning the cartridge is quick.”
“Installation was straightforward, and the pump has enough power for regular circulation.”
“The only downside is that the cartridge needs cleaning more often during heavy use, but that is normal for a system like this.”

Common praise includes quiet operation, easy-access parts, and good water clarity after routine maintenance. Common complaints usually involve cartridge replacement frequency, occasional hose-fit adjustments, and the need to keep seals in good condition. This is a smart purchase for pool owners who want a reliable cartridge filter system and are comfortable with regular filter care.

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