Hayward StarClear 50 Sq Ft Cartridge Pool Filter
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Hayward StarClear W3C500 50 Sq Ft Cartridge Pool Filter for Above-Ground Pools and Spas
The Hayward StarClear W3C500 is a 50 sq ft cartridge pool filter for above-ground pools, smaller in-ground pools, and spas. It captures particles down to 10-15 microns without a backwash valve, multiport valve, or dedicated drain line. When the cartridge needs cleaning, the single locking knob releases the filter head, the element lifts out, and a garden hose rinse restores flow.
The rotatable filter head lets you orient the pressure gauge and manual air relief valve to face any direction, simplifying access in tight equipment installations. For pools needing more filter area, the StarClear Plus W3C12002 at 120 sq ft is the step up in the StarClear line.
Hayward W3C500 StarClear Cartridge Filter Key Features
- 50 sq ft single cartridge element - Extra-large CX500RE cartridge with precision-engineered core for extra strength and maximum flow through the filter area.
- Single locking knob - Secures the filter head to the tank without bolts or clamps. One knob to release, one turn to access the cartridge.
- Rotatable filter head - The filter head can be oriented in any direction to position the pressure gauge and manual air relief valve for convenient access regardless of equipment pad layout.
- Built-in check valve - Prevents accidental loss of pool water when the cartridge is removed for cleaning, keeping the system primed and avoiding the need to re-prime after service.
- Elevated filtered water collector and debris sump - Prevents heavy debris from bypassing the cartridge and returning to the pool or spa when the cartridge is removed.
- Union connection - Allows the pump or filter to be removed quickly and easily for servicing without cutting plumbing.
- Plumbing versatility - Accepts 1.5" or 2" FIP or 2" SKT connections to fit a wide range of above-ground and in-ground pool plumbing configurations.
- 1/2" FIP filter drain - Full drain port for fast draining of elevated spas and tubs; also accepts a standard spigot valve.
- GFR injection-molded tank - Corrosion-free construction for dependable all-weather performance.
- No backwash required - No multiport valve, no drain line, no water wasted during routine maintenance.
Hayward W3C500 StarClear 50 Sq Ft Cartridge Filter Specifications
Pool size coverage depends on pump sizing, turnover rate targets, and site conditions. Consult a pool equipment professional for system design guidance.
Cleaning the Hayward W3C500 StarClear Cartridge Filter
Turn off the pump and open the manual air relief valve to release tank pressure. Turn the single locking knob to release the filter head and rotate the head to a convenient position. The built-in check valve holds water in the system while the cartridge is removed, so no re-priming is needed after service. Lift the CX500RE cartridge out and set it on a clean surface.
Rinse the element from top to bottom using a garden hose with a spray nozzle, working between each pleat fold. Do not use a pressure washer; high-pressure spray permanently damages the pleat media. Continue until the runoff runs clear. Reinstall the cartridge, secure the filter head with the locking knob, open the air relief valve, and restart the pump. Note the pressure as the clean baseline for future cleaning decisions; a rise of 8 to 10 PSI above that number signals cleaning is due.
Deep Cleaning and Cartridge Replacement
Soak the CX500RE cartridge overnight in a pool cartridge cleaning solution at season opening and midpoint to remove oils, sunscreen residue, and mineral scale that routine rinsing leaves behind. Replace the cartridge when post-cleaning pressure no longer returns to baseline, when the pleats show visible damage, or when the end caps crack. Most cartridges last one to three seasons under typical residential use.
Hayward W3C500 StarClear Cartridge Filter Frequently Asked Questions
What replacement cartridge does the W3C500 use?
The W3C500 uses the Hayward CX500RE replacement cartridge element. Using the OEM CX500RE ensures the cartridge seats correctly against the internal manifold and maintains the filter's rated performance.
Does the W3C500 require a backwash valve or drain line?
No. The W3C500 has a single inlet and a single outlet as its only plumbing connections. There is no multiport valve, no backwash port, and no drain line required. Routine cleaning is done by removing and rinsing the cartridge by hand.
What does the built-in check valve do?
The check valve prevents pool water from draining out of the system when the cartridge is removed for cleaning. This means the pump strainer basket and plumbing stay primed during cartridge service, and no re-priming is needed when the filter is reassembled and the pump is restarted.
Can the filter head be rotated after installation?
Yes. The filter head is designed to rotate so you can orient the pressure gauge and manual air relief valve in any direction. This is useful in tight equipment installations where access to the top of the filter is limited from certain angles.
How does the W3C500 compare to the StarClear Plus W3C12002?
Both are single-element, no-backwash cartridge filters with the same design principles. The StarClear Plus W3C12002 provides 120 sq ft of filter area at 120 GPM and is built specifically for in-ground pools and in-ground pool/spa combinations with a heavier-duty glass-reinforced co-polymer tank rated for in-floor cleaning systems. The W3C500 at 50 sq ft and 50 GPM is suited to above-ground pools, smaller in-ground pools, and spas.