Hayward StarClear Plus 120 Sq Ft Cartridge Pool Filter
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Hayward StarClear Plus W3C12002 120 Sq Ft Cartridge Pool Filter for In-Ground Pools
The Hayward StarClear Plus W3C12002 is a 120 sq ft single-element cartridge pool filter built for in-ground pools and in-ground pool/spa combinations. The extra-large cartridge element provides greater effective filtration area than similarly sized cartridge filters, filtering to 10-15 microns with no backwash valve and no dedicated drain line. The single locking knob releases the filter head for cartridge access without tools, and the rotatable filter head allows the pressure gauge and air relief valve to face any direction for convenient servicing.
The StarClear Plus is constructed from heavy-duty glass-reinforced co-polymer rated for demanding applications and environmental conditions, including in-floor cleaning systems. For smaller pools or above-ground applications, see the StarClear W3C500 at 50 sq ft.
Hayward W3C12002 StarClear Plus 120 Sq Ft Cartridge Filter Key Features
- 120 sq ft single cartridge element - Extra-large CX1200RE cartridge with precision-engineered gasketed molded end caps for extra strength and maximum flow. Greater effective filtration area than similarly sized and priced cartridge filters.
- Glass-reinforced co-polymer tank - Heavy-duty construction rated for in-floor cleaning systems and the most demanding in-ground pool applications and environmental conditions.
- Single-piece injection-molded base and body - Added structural strength for reliable, corrosion-free performance over multiple seasons.
- Single locking knob - Secures the filter head to the tank without bolts or clamps for tool-free cartridge access.
- Rotatable filter head - Orient the pressure gauge and manual air relief valve in any direction to suit the equipment pad layout.
- Plumbing versatility - Accepts 1.5" or 2" FIP or 2" SKT connections for compatibility with a wide range of in-ground pool plumbing configurations.
- No backwash required - No multiport valve, no drain line, and no water discharged during routine cartridge cleaning. Saves hundreds of gallons per season compared to backwash-based filter maintenance.
- In-floor cleaning system compatible - Tank construction meets the demands of pools equipped with in-floor cleaning systems, which generate higher sustained flow requirements than standard pool circulation.
Hayward W3C12002 StarClear Plus 120 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 W3C12002 StarClear Plus Cartridge Filter
Turn off the pump and open the manual air relief valve to release tank pressure. Turn the single locking knob to release and rotate the filter head to a convenient service position. Lift the CX1200RE cartridge out of the tank and set it on a clean surface. Rinse from top to bottom using a garden hose with a spray nozzle, working between each pleat fold. Do not use a pressure washer. Continue until runoff is clear, then reinstall the cartridge, secure the locking knob, open the air relief valve, and restart the pump. Record the pressure as the clean baseline; a rise of 8 to 10 PSI signals cleaning is due.
Deep Cleaning and Cartridge Replacement
Soak the CX1200RE overnight in a pool cartridge cleaning solution at season opening and midpoint to remove embedded oils, sunscreen, and mineral scale. Replace the cartridge when post-cleaning pressure no longer returns to baseline, when the pleats show visible damage, or when the end caps crack. Under typical residential use with regular cleaning, most cartridges last one to three seasons.
Hayward W3C12002 StarClear Plus Cartridge Filter Frequently Asked Questions
What replacement cartridge does the W3C12002 use?
The W3C12002 uses the Hayward CX1200RE replacement cartridge element. This is the OEM element engineered for the StarClear Plus filter housing and manifold. Using the CX1200RE ensures correct end cap seating and the full 120 sq ft of rated filter area is active and sealed.
Is the W3C12002 compatible with in-floor cleaning systems?
Yes. The StarClear Plus tank is constructed from heavy-duty glass-reinforced co-polymer specifically rated to handle the higher sustained flow requirements generated by in-floor cleaning systems. This is one of the key differences between the StarClear Plus and the smaller StarClear W3C500, which is built for above-ground pool and spa applications.
Does the W3C12002 require a backwash valve or drain line?
No. The W3C12002 has a single inlet and a single outlet as its only plumbing connections. Routine cleaning requires only removing and rinsing the cartridge. No multiport valve, no backwash port, and no drain line are needed.
How does the W3C12002 compare to the StarClear W3C500?
The StarClear Plus W3C12002 provides 120 sq ft of filter area at 120 GPM and is built for in-ground pools and pool/spa combinations with a heavy-duty glass-reinforced co-polymer tank rated for in-floor cleaning systems. The StarClear W3C500 provides 50 sq ft at 50 GPM and is sized for above-ground pools, smaller in-ground pools, and spas.
Can the filter head be rotated after installation?
Yes. The filter head rotates to allow the pressure gauge and manual air relief valve to be oriented in any direction, which is useful in tight equipment pad installations or when switching plumbing entry angles.