Pentair Vanishing Edge AutoFill System (T40FNBK)
Product Overview
We stock this Pentair AutoFill system specifically designed for vanishing edge installations, incorporating a reliable Fluidmaster valve mechanism in a sleek black finish.
Key Features
- Integrated Fluidmaster valve
- Vanishing edge compatible
- Professional-grade construction
- Black finish
- Automatic water level control
- Precision engineered design
Technical Specifications
| Specification | Detail |
|---|---|
| Manufacturer | Pentair |
| Valve Type | Fluidmaster |
| Application | Vanishing Edge |
| Color | Black |
| System Type | Automatic Fill |
| Design | Integrated Assembly |
| SKU | T40FNBK |
| Categories | Plumbing, Water Control |
Exploded parts diagram: This part is shown on the Pentair Automatic Water Leveler/Vanishing Edge AutoFill exploded parts diagram.
🔧 Pentair Automatic Water Leveler/Vanishing Edge AutoFill – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Automatic Water Filler, Pentair, w/ SM Float Valve, White |
| – | AutoFill w/Side Mounted Float Valve, Pentair, Gry |
| – | AutoFill w/Side Mounted Float Valve, Pentair, Blk |
| – | AutoFill w/Side Mounted Float Valve, Pentair, Almond |
| – | AutoFill w/Fluidmaster Valve, Pentair, Gry |
| – | AutoFill w/Fluidmaster Valve, Pentair, Almond |
| – | AutoFill Vanishing Edge w/Fluidmaster Valve, Pentair,Wht |
| – | AutoFill Vanishing Edge w/Fluidmaster Valve, Pentair,Gry |
| – | AutoFill Vanishing Edge w/Fluidmaster Valve, Pentair,Blk ◀ this part |
| – | AutoFill Vanishing Edge w/Fluidmaster Valve, Pentair,Almond |
| – | Autofill W/Fluidmaster Valve, White |
| – | Automatic Water Filler, Pentair, w/ Fluidmaster Valve, Black |
| – | Bag Parts Fm Autofill |
| 5 | _T29 |
| 4 | 85-102-W001K4 |
| 3 | _T24 |
| 2 | 85-102-W001K2 |
| 1 | 85-102-W001K1 |
Design Features
This system combines Pentair’s engineering with Fluidmaster’s trusted valve technology to provide reliable automatic water level maintenance for vanishing edge installations.
System Compatibility
- Designed for vanishing edge pools and spas
- Works with standard plumbing connections
- Compatible with common water supply systems
- Integrates with existing automation
🔧 Exploded diagram and parts
This part belongs to the Pentair Automatic Water Leveler/Vanishing Edge AutoFill assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
AutoFill w/Fluidmaster Valves
| Part | Our part number | Availability | |
|---|---|---|---|
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Automatic Water Filler, Pentair, w/ SM Float Valve, White | T40BW | 8 in stock |
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AutoFill w/Side Mounted Float Valve, Pentair, Gry | T40BG | 3 in stock |
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AutoFill w/Side Mounted Float Valve, Pentair, Almond | T40BBE | 4 in stock |
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AutoFill w/Fluidmaster Valve, Pentair, Gry | T40FG | 3 in stock |
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AutoFill w/Fluidmaster Valve, Pentair, Almond | T40FB | Available to order |
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Autofill W/Fluidmaster Valve, White | T40FW | 12 in stock |
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Automatic Water Filler, Pentair, w/ Fluidmaster Valve, Black | T40FBK | Available to order |
Complete autofill vanishing edge w/fluidmaster valves
| Part | Our part number | Availability | |
|---|---|---|---|
![]() |
AutoFill Vanishing Edge w/Fluidmaster Valve, Pentair, Wht | T40FNW | Available to order |
Complete bag parts fm autofills
| Part | Our part number | Availability | |
|---|---|---|---|
![]() |
Bag Parts Fm Autofill | 370006 | 2 in stock |
Parts that go with this
| Part | Our part number | Availability | |
|---|---|---|---|
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Pre-Filter, Disposable, 2-3/4"OD, 10"L, w/Hose Adapter, PP | PP6903 | 70 in stock |
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Tool, Blanket Buddy, Leaf/Debris Rake | BB-01 | 21 in stock |
Installation Guidelines
- Verify proper water supply connection
- Ensure level mounting
- Check valve operation
- Test automatic filling function
Maintenance Tips
- Regular valve inspection
- Monitor fill performance
- Check for proper leveling
- Verify water level accuracy





























