top of page

FillStar™ Water Level Control System for Pools and Spas

Part # AFBxxx


The Fill Star Water Level Control System is designed for maintaining optimal water levels in pools and spas, ensuring consistent levels with its efficient design.

Product Information

Please press the "+" button to expand each catagory, press "-" to collapse.


Support Files

Here's everything you need in one place. Click any link to get the specific support document you're looking for. Can't find what you are looking for, let us know by clicking here.

PDF Reader Icon_021924(1).png

View Cut-Sheet

Click the button to open the product cut-sheet in a PDF reader.

Instructions Icon_021924.png

View Instructions

Click the button to open the instructions in a PDF reader.

Certificate Icon_021924.png

View Certificate of Conformance

Click the button to open the Certificate of Conformance in a PDF reader.

CAD Icon_021924.png

Download CAD Files

Click the button to open the CAD Files Folder in Dropbox.


Description & Features

Product Description

The Fill Star Water Level Control System features a float valve mechanism for reliable water level adjustments, providing a simple yet effective solution for pool and spa maintenance. This system, crafted from durable materials, ensures pools and spas are consistently maintained at the ideal level for use, offering ease of maintenance and peace of mind to owners.

Highlighted Features

Can be installed alone or with drain/vacuum pool or spa at all times

Easy to install

Overflow protection and adjustable presets

Uses the same size lid and collar as AquaStar skimmers

Includes a 2" to 1½" PVC adapter ¾" PVC plug included if overflow is not needed

¾" PVC water supply inlet

Valve is made of high-strength engineered resin

Float is injection-molded; thread is pre-molded

No transition glue needed

Float thread is ½" MPT

1 per case


Accessories & Replacement Parts

Featured Accessory, Fill-Lid 10'' Fillable Skimmer and Autofill Cover
  • The Fill-Lid is a unique fillable lid that will make your skimmer or autofill cover virtually disappear with any deck finish.

  • Includes an adjustable frame, plaster shield, and strong internal tabs to keep the deck finish in place. 

  • Fits AquaStar’s skimmers and autofills, and most other manufacturers standard skimmers. 

Standard Colors

FL10101 – White
FL10103 – Light Gray
FL10108 – Tan
FL10100– Clear

*See cut-sheet for color swatch

Part # AFBxxx

Float Valve

Part # RTxxx

Round Skimmer Lid

Part # SK5xxx

Adjustable Round Skimmer Collar

Part # SKRTxxx

Round Skimmer Lid and Collar


Explore the versatility with our extended range of skimmer configurations. Designed to meet diverse installation needs and preferences, our additional skimmer configurations offer enhanced flexibility and performance. Find the perfect match for your pool setup with our specialized options below.



Extra heavy duty PVC lower unit  (no transitional glue required)


Extra heavy duty PVC lower unit  (no transitional glue required)

SKR1xx_With Clear Top.png


bottom of page