💧 Clamp Ring, Pentair Sta-Rite PosiFloII,w/o Nut, Bottom
Made by StaRite/Pentair, manufacturer part number 25010-9100.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | StaRite/Pentair |
| Manufacturer part number | 25010-9100 |
| Catalog description | Clamp Ring, Pentair Sta-Rite PosiFloII,w/o Nut, Bottom |
California Residents WARNING: Cancer and Reproductive Harm
Exploded parts diagrams: This part is shown as item #11 on the Cartridge Filter, StaRite Posi-Flo II, PTM135; item #12 on the Cartridge Filter,Pentair/StaRite Posi-Flo II,PTM50/70/100; item #13 on the DE Separation Tank, StaRite exploded parts diagrams.
🔧 Cartridge Filter, StaRite Posi-Flo II, PTM135 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Ro-Kit 272, Sta-Rite Posi-Flo II Filter |
| – | Tool, Socket, Quad-Side A/Solar Side B |
| – | Tool, Clamp Knob Socket, 4-Lobe, w/1/4" Socket Bit Adapter |
| 17 | Clamp Ring Nut, Pentair Sta-Rite, Plastic |
| 16 | Tank Body, Pentair Sta-Rite PosiFlo PTM50, PTM70 |
| 15 | O-Ring, 9-1/2" ID, 1/4" Cross Section, Generic |
| 14 | Clamp Ring Nut, Pentair Sta-Rite, Brass |
| 13 | 16-102-W003K13 |
| 12 | Tank Base, Pentair Sta-Rite PosiFlo/DE Separation, w/Plugs |
| 11 | Clamp Ring, Pentair Sta-Rite PosiFloII,w/o Nut, Bottom ◀ this part |
| 10 | 16-102-W003K10 |
| 9 | Air Bleed Filter, Pentair Sta-Rite PosiFlo |
| 7 | Plug, Pentair Sta-Rite PosiFlo, Upper Tank Body |
| 8 | 16-102-W003K8 |
| 6 | Upper Tank Body, Pentair Sta-Rite PosiFlo/DE Separation |
| 5 | 16-102-W003K5 |
| 4 | O-Ring, 10-1/2" ID, 1/4" Cross Section, Generic |
| 3 | 16-102-W003K3 |
| 2a | O-Ring, 1/2" ID, 3/32" Cross Section, Generic |
| 2 | 16-102-W003K2 |
| 1a | Pressure Gauge Screen, Pentair Sta-Rite |
| 1 | Pressure Gauge, Pentair StaRite,1/4"mpt,0-60psi,Bottom Mount |
🔧 Exploded diagram and parts
This part belongs to the Cartridge Filter, StaRite Posi-Flo II, PTM135 assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1 | ![]() |
Pressure Gauge, Pentair StaRite, 1/4"mpt, 0-60psi, Bottom Mount | 15060-0000T | Available to order | $56.12 | |
| 2 | ![]() |
Air Relief Valve Assembly, Pentair Sta-Rite, with O-Ring | 25010-0200 | 4 in stock | $57.52 | Add to cart |
| 2 | ![]() |
Air Relief Valve, Pentair PosiFlo II, w/o O-Ring | 25010-0004Z | 78 in stock | $6.76 | Add to cart |
| 5 | ![]() |
Clamp Ring, Pentair Sta-Rite PosiFloII, w/o Nut, Top/Middle | 25010-9101 | Available to order | $190.36 | |
| 17 | ![]() |
Clamp Ring Nut, Pentair Sta-Rite, Plastic | WC36-22 | Available to order | $11.25 |
Complete ro-kit 272s
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Ro-Kit 272, Sta-Rite Posi-Flo II Filter | RO-KIT 272 | Available to order | $28.18 |
Complete tools
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Tool, Clamp Knob Socket, 4-Lobe, w/1/4" Socket Bit Adapter | MT-501 | 1 in stock | $35.79 | Add to cart |

















