Hayward CX800C filter head for Star-Clear II C800, C1100 and C1500 cartridge filtersHayward Filter Head Replacement for Star-Clear II C800, C1100, C1500 Cartridge Filter Models, CX800C In stock$13799
Hayward CX800C filter head for Star-Clear II C800, C1100 and C1500 cartridge filters
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Hayward Filter Head Replacement for Star-Clear II C800, C1100, C1500 Cartridge Filter Models, CX800C

Ask a questionMPN CX800C
$13799
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Quick overview

  • Fits three models The same head serves the Star-Clear II C800, C1100 and C1500 cartridge filters.
  • Air relief vent screw The head cover carries the vent screw that lets trapped air out of the system.
  • 10-3/4 inch diameter Measures 10-3/4 inches across, matched to the Star-Clear II tank.
  • Leak free seal Designed to seat and seal against the tank so the filter holds pressure.
  • Straightforward swap Comes ready to install in place of a cracked or crazed original.
  • Genuine Hayward Factory part CX800C, not a generic dome.
Full description and specifications ↓

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Product details

The Hayward CX800C is the genuine replacement filter head for the Star-Clear II cartridge filter, covering the C800, C1100 and C1500 models. It measures 10-3/4 inches in diameter.

The air relief vent

The head cover carries an air relief vent screw. Trapped air in a filter tank stops water moving through the cartridge properly and can send the pressure gauge to readings that make no sense. The vent screw is how you bleed that air off at startup and after servicing.

When the head is the problem

Filter heads live in sun and heat and eventually craze. Once the plastic cracks or the sealing face is chewed up, the tank leaks under pressure and no amount of tightening the locking knob will fix it. The CX800C puts a fresh sealing surface back on the filter.

While you have it apart

The head o-ring, the locking knob and its o-ring are separate parts. If the head is coming off after several seasons, it is worth replacing the seals at the same time rather than opening the filter twice.

Specifications
Brand Hayward
Manufacturer part number CX800C
UPC 610377005692
Type Filter head
Part type Pool filter part
Diameter 10-3/4"
Features Head cover with air relief vent screw
Fits Hayward Star-Clear II C800, C1100, C1500 cartridge filter models
Shipping weight 3.05 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which filters does the CX800C fit?
The Hayward Star-Clear II C800, C1100 and C1500 cartridge filter models.
What size is it?
10-3/4 inches in diameter.
Does it include the air relief valve?
The head cover has an air relief vent screw, which is what releases trapped air from the system so the filter can work properly.
Why would I need a new filter head?
Filter heads craze and crack with age and UV exposure, and once the sealing surface is damaged the tank will not hold pressure. Replacing the head restores a proper seal.
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