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AquaStar 20-Inch Full Circle Cover and One-Port PVC Sump, Light Gray | FC103

AquaStar  |  SKU: FC103
Sale price $33495 USD Regular price $45299

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The Dimensions row gives the 22-3/32-inch outside plan diameter only. Use the complete drawing for other cover/body diameters, connection details, profile reference planes and installation clearances. No height above pool finish is inferred from an overall body profile. The cutaway image illustrates installation context; concrete, pipe and finish material are not included.

Manufacturer FC Full Circle cut-sheet — CS049-011624 (PDF)

Product FAQs
What is included with FC103?

One Full Circle PVC sump body, one 20-inch nominal Full Circle suction outlet cover, one center logo cap, outer and inner disposable plaster shields, ten 10-32 × ¾-inch flat-head Phillips screws in 316 stainless steel and one 2-inch NPT plug. Pool finish material and optional hydrostatic valve or tools are not included.

What connection does the sump provide?

The current catalog labels the single bottom connection as 2-inch socket × 2½-inch spigot × 2-inch NPT. Match the actual pipe and port arrangement to the full drawing and model-specific instructions. An older cut-sheet drawing uses a different slip-inside label; the current catalog and the manufacturer feature description identify the spigot connection.

What color is the sump?

AquaStar states that White assemblies use a White PVC sump, while the other current cover finishes use a Medium Gray PVC sump. The selected Light Gray finish identifies the ordered product finish; it does not mean every component is molded in that finish. The family photo may show another cover finish.

Is this intended for concrete pools and spas?

Yes. The current catalog identifies FC for concrete pool and spa applications. The model-specific manual and linked flow specifications identify this approved configuration for floor use only. Do not assume it is interchangeable with a vinyl/fiberglass fitting or a wall-mounted suction outlet.

Does the circle receive plaster or pebble finish?

Yes. The manufacturer describes the circular design as filled with plaster or pebble to blend with the pool interior. Finish material is not supplied with this listing. Have a qualified installer follow the complete manufacturer and pool-finish instructions while preserving the required openings, cover access and finished-surface positioning.

What happens to the disposable plaster shields?

The IN023-021226 manual says the disposable plaster shield and center plaster cap must be removed. The manufacturer-supplied drain cover and marked center logo cap must be installed with their screws before startup. The temporary finishing shields are not operating suction outlet covers.

What flow rating applies?

AquaStar’s FC specifications revised April 2, 2024 list the specified floor configuration at 170 GPM for a 2-inch bottom pipe and 190 GPM for a 2½-inch bottom pipe, each with the stated 1½-inch minimum pipe depth and complete required flow-path geometry. Match all installation conditions and any pipe-size changes within the specified distance. The nominal 20-inch size alone does not establish the rating.

Is Full Circle identified as unblockable?

Yes. The current catalog and FC installation instructions identify the complete approved FC configuration as unblockable. The manual permits marked unblockable SOFAs in single- or multiple-SOFA systems, subject to the approved installation and maximum system flow. A qualified pool professional must verify the actual assembly and system; other Circle designs have separate model-specific documentation.

What does the waterstop do?

AquaStar describes the perimeter waterstop as helping protect against leaks at the pool finish. Correct installation and a sound surrounding finish remain necessary. This feature does not establish a blanket leak warranty or replace the manufacturer’s installation requirements.

Is a hydrostatic valve included?

No. The catalog shows HVCxxx as an optional self-contained hydrostatic valve assembly and separately identifies FCHVxxx as a combination drain package with hydrostatic valve and collector tube. Those are distinct items. This standard FCxxx listing supplies the parts listed above.

What is 8SBP and is the T-wrench included?

The catalog describes optional FC16102 as the T-wrench for installing or removing the 2-inch plug and identifies 8SBP among its plug applications for FC and 8-inch sump buckets. That plug reference is not a separate high-flow or balanced-flow performance configuration. FC16102 is a separate tool, not included with the FC assembly.

Which service parts does the current catalog identify?

The current catalog lists FC23109 plaster shields, FC08Kxxx center logo cap with screws, and FC20xxx drain cover with center cap and screws as separate parts. SCW017 is the separate ten-screw replacement kit: ten 10-32 × ¾-inch flat-head Phillips screws. Confirm the exact existing FC assembly and approved replacement parts before servicing.

How many assemblies does this listing supply?

This listing supplies one complete FC assembly. The current catalog identifies one assembly per case. Other service-part case quantities do not change the quantity or included components of this listing.

Which installation and certification documents apply?

The actual current FC manual is IN023-021226 despite the older100422 filename. The flow document is actual revision04/02/2024 and the general certificate is revision031722. The catalog identifies certification to NSF/ANSI/CAN 50 and ANSI/APSP/ICC-16 2017. Match the actual product markings and manufacturing generation to the applicable documents.

When should the cover, center cap and fasteners be replaced?

The current catalog requires replacement of the round suction outlet cover and center cap every five years. IN023-021226 requires replacement of the cover assembly and fasteners within five years, and of the mud frame and sump within thirty years or if damaged. Brittle, significantly discolored or damaged components require replacement. Service life starts at installation, with or without water. Follow all inspection and maintenance requirements.

What warranty terms does AquaStar state?

AquaStar’s 2026 catalog states a general one-year limited warranty from original installation for defects in materials and workmanship, subject to the complete terms and exclusions. Color fading, improper installation, poor water chemistry and other listed causes are excluded; non-approved components may void coverage. Repair or replacement is at AquaStar’s option. Read the manufacturer’s catalog limited warranty, printed page 238. A drain cover’s required replacement interval is a separate matter.

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Description

Full Circle cover and one-port PVC sump

AquaStar FC103 is the light gray 20-inch nominal Full Circle suction outlet assembly for concrete pools and spas. It combines the round cover, center cap and single-port PVC sump in the manufacturer’s approved floor-use configuration.

Representative image: The manufacturer’s family photo illustrates the FC Full Circle assembly. The selected ordered finish is Light Gray; the photo finish may differ. White assemblies use White PVC sumps, while other finishes use Medium Gray sumps. The cutaway illustrates installation context; pool finish, concrete and pipe are not included.

One complete assembly for integration with the pool finish

One Full Circle PVC sump body, one 20-inch nominal Full Circle suction outlet cover, one center logo cap, outer and inner disposable plaster shields, ten 10-32 × ¾-inch flat-head Phillips screws in 316 stainless steel and one 2-inch NPT plug. Pool finish material and optional hydrostatic valve or tools are not included.

The manufacturer describes plaster or pebble infill for blending with the pool interior and a perimeter waterstop to help protect against leaks. The assembly has a 42-square-inch open area. White assemblies use White PVC sumps; other finishes use Medium Gray sumps.

Verify the exact floor-use flow configuration

The bottom port is specified as 2-inch socket × 2½-inch spigot × 2-inch NPT. Have a qualified pool professional verify the actual plumbing, complete sump geometry, approved cover arrangement and maximum system flow using the current FC instructions and specifications. Remove temporary plaster shields and install the marked operating cover and center cap with their approved screws before startup.

Replace the suction outlet cover, center cap and fasteners within five years of installation, or earlier if damaged. See Specifications, manufacturer resources and Product FAQs for details.

Specifications

  • SKU
    FC103
  • Product Type
    Full Circle suction outlet cover, center cap and one-port PVC sump; light gray ordered finish; one assembly
  • Size/Connection
    20-inch nominal Full Circle family; 22-3/32-inch outside plan diameter; bottom 2-inch socket × 2½-inch spigot × 2-inch NPT; 42 in² open area; approved floor-use configuration
  • Materials
    UV-resistant PVC sump; ten 316 stainless steel screws; pool finish material supplied separately
  • Dimensions
    22.09 in
  • Warranty

Product Warranty

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.

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