💧 Tool, Button-Hook, Drain Plug Wrench, Stainless Steel
Made by Multi-Tork, manufacturer part number DPW-150. It is listed for the equipment shown below, so check the model on your own unit against that list.
Button-Hook™ Drain Plug Wrench by Multi-Tork®: Now Stainless Steel
The quick and safer way of removing recessed or hard-to-reach drain plugs used on residential pool filters.
THE HANDLE is “button-hooked” for access and clearance of bulging or flared tank bodies that impede loosening and securing drain plugs.
THE SOCKET face adapts to several different plug configurations and the off-center handle allows for greater torquing capability.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Multi-Tork |
| Manufacturer part number | DPW-150 |
| Catalog description | Tool, Button-Hook, Drain Plug Wrench, Stainless Steel |
✅ Listed for
- Pentair American Clean & Clear Plus Cartridge Filter
- Pentair American Quantum RPM Cartridge Filter
- Pentair PacFab Sea Horse FSH FG Tank Cartridge Filter
- Pentair/American Products Titan SS Tank DE Filter
- Pentair/PacFab FNS Plus 24 36 48 60 SqFt DE Filter
- Pentair/PacFab FNS Polymeric FNS24 36 48 60 DE Filter
- Pentair/PacFab Nautilus Plus NS24 36 48 60 72 DE Filter
- Hywrd SwimClear C2020/3020/4020/5020/7020 Cartridge Filter
- StaRite System 3 S7S50 & S8S70 Sand Filter
- Pentair/Sta-Rite Cristal-Flo II Top Mount Sand Filter
- Jacuzzi ST27 ST33 Sand Filter
- Pentair/American Prod Eclipse/Meteor Top Mt Sand Filter
- Pentair/American Prod Sandpiper 18″ SS Tan Sand Filter
- Pentair/American Prod Sandpiper 24″ SS Tan Sand Filter
- 333 400 Water System StaRite Max-E-Therm SR-200
Button-Hook™ Drain Plug Wrench by Multi-Tork®: Now Stainless Steel
    The quick and safer way of removing recessed or hard-to-reach drain plugs used on residential pool filters.
THE HANDLE is "button-hooked" for access and clearance of bulging or flared tank bodies that impede loosening and securing drain plugs.
THE SOCKET face adapts to several different plug configurations and the off-center handle allows for greater torquing capability.
Exploded parts diagrams: This part is shown as the Cartridge Filter,StaRite System 3,S7M120/M400 & S8M150/M500; the DE Filter, StaRite System 3 SD Series, S7D75 & S8D110; the Cartridge Filter, Jacuzzi, SherLok 80, 100, 120, 160, 200; the DE Filter, Jacuzzi, Avalanche AV40, AV60, AV80, AV100 Models; the DE Filter, Jacuzzi, Landslide LS40, LS55, LS70; the DE Separation Tank, Jacuzzi, Dirtbag; and 25 other assemblies exploded parts diagrams.
🔧 Cartridge Filter,StaRite System 3,S7M120/M400 & S8M150/M500 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Tank Clamp Knob, Sta-Rite System 3 |
| – | Clamp Retaining Ring, Pentair Sta-Rite System 3 |
| – | Cartridge Pack, System3 S7M120, Outer & Inner, 4oz |
| – | Cartridge Pack, System3 S7M400, Outer & Inner, 4oz |
| – | Cartridge Pack, System3 S8M150 Outer & Inner, 4oz |
| – | Cartridge Pack, System3 S8M500 Outer & Inner, 4oz |
| – | Sand Filter, Pentair/StaRite System 3, 25", 3.4sqft |
| – | 16-102-1100 |
| – | _24850-0002 |
| – | Retaining Ring, Pentair Sta-Rite System 3, Clamp |
| – | _77703-0101 |
| – | _25021-0025 |
| – | _77703-0100 |
| – | Pump Union, 2" Female Buttress Thread x 2" Slip, Quantity 2 |
| – | Union, Sta-Rite/Pentair, Nut, 2" Female Buttress Thread |
| – | Union Adapter, Sta-Rite/Pentair, 2" Slip |
| – | Cartridge Kit, System 3 S7M120, with Manifold, Generic |
| – | Tool, Socket, Dual Geometry for Sta-Rite System 3 |
| – | Tool, Button-Hook, Drain Plug Wrench, Stainless Steel ◀ this part |
| – | _25021-0021 |
| – | O-Ring, 2-5/8" ID, 1/8" Cross Section, Generic |
| – | O-Ring, Pentair Sta-Rite, Union, O-244 |
| – | Pump Union, 2" Female Buttress Thread x 2" Slip, Quantity 2 |
| – | Union, Sta-Rite/Pentair, Nut, 2" Female Buttress Thread |
| – | Air Bleed Adapter, Pentair Sta-Rite System 3, Brass |
| – | Union Adapter, Sta-Rite/Pentair, 2" Slip |
| 26 | 16-102-W007K26 |
| 25 | Pressure Gauge Assy,Pentair,System 3,1/4"mpt,0-60psi,Back MT |
| 24 | 16-102-W007K24 |
| 23 | 16-102-W007K23 |
| 22 | 16-102-W007K22 |
| 21A | 16-102-W007K21A |
| 21 | 16-102-W007K21 |
| 20 | 16-102-W007K20 |
| 19 | 16-102-W007K19 |
| 18 | 16-102-W007K18 |
| 17 | 16-102-W007K17 |
| 16 | 16-102-W007K16 |
| 15 | 16-102-W007K15 |
| 14 | 16-102-W007K14 |
| 13 | 16-102-W007K13 |
| 12 | 16-102-W007K12 |
| 11 | 16-102-W007K11 |
| 10 | 16-102-W007K10 |
| 9 | 16-102-W007K9 |
| 8 | 16-102-W007K8 |
| 7 | 16-102-W007K7 |
| 6 | 16-102-W007K6 |
| 5 | 16-102-W007K5 |
| 4 | 16-102-W007K4 |
| 3 | 16-102-W007K3 |
| 2 | Pressure Gauge Screen, Pentair Sta-Rite |
| 1 | 16-102-W007K1 |
🔧 Exploded diagram and parts
This part belongs to the Cartridge Filter, StaRite System 3, S7M120/M400 & S8M150/M500 assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Union Adapters
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Tank Clamp Knob, Sta-Rite System 3 | 24850-0002Z | 10 in stock | $32.09 | Add to cart |
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Retaining Ring, Pentair Sta-Rite System 3, Clamp | 24850-0016 | Available to order | $9.91 | |
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Pump Union, 2" Female Buttress Thread x 2" Slip, Quantity 2 | PKG 188Z | 2 in stock | $53.33 | Add to cart |
![]() |
Union, Sta-Rite/Pentair, Nut, 2" Female Buttress Thread | U11-200PSZ | Available to order | $18.94 | |
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Union Adapter, Sta-Rite/Pentair, 2" Slip | U11-196PSZ | 1 in stock | $17.10 | Add to cart |
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O-Ring, Pentair Sta-Rite, Union, O-244 | U9-362 | Available to order | $4.34 |
Complete cartridge packs
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Cartridge Pack, System3 S7M120, Outer & Inner, 4oz | SR300 | 4 in stock | $410.65 | Add to cart |
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Cartridge Pack, System3 S8M150 Outer & Inner, 4oz | SR450 | In stock | $649.39 | Add to cart |
Complete cartridge kits
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Cartridge Kit, System 3 S7M120, with Manifold, Generic | FC-ECO3-300 | Available to order | $446.78 |
Complete tools
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Tool, Socket, Dual Geometry for Sta-Rite System 3 | MTJ-770 | 69 in stock | $52.86 | Add to cart |
Complete cartridges
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 7 | ![]() |
Cartridge, System 3 S7M120, 200sqft, 16-1/2"dia, 18-1/2", Outer | 25022-0201S | 4 in stock | $468.15 | Add to cart |
| 7 | ![]() |
Cartridge, System 3 S8M150, 259sqft, 20-1/8"dia, 19-9/16", Outer | 25022-0203S | 1 in stock | $629.81 | Add to cart |
| 7 | ![]() |
Cartridge, 264sqft, Pentair/Sta-Rite System 3 S7M400, Outer | 25022-0224S | 1 in stock | $666.35 | Add to cart |
Show the other 5 complete cartridges we stock
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 7 | ![]() |
Cartridge, System 3 S8M500, 291sqft, 20-1/4"dia, 18-9/16", Outer | 25022-0225S | 3 in stock | $650.64 | Add to cart |
| 8 | ![]() |
Cartridge, System 3 S7M120, 100sqft, 8-9/16"dia, 25-1/4", Inner | 25021-0200S | 2 in stock | $255.23 | |
| 8 | ![]() |
Cartridge, System3 S8M150, 191sqft, 12-7/16"dia, 26-7/16", Inner | 25021-0202S | 28 in stock | $390.11 | Add to cart |
| 8 | ![]() |
Cartridge, 209sqft, Pentair/Sta-Rite System 3 S8M500, Inner | 25021-0224S | 1 in stock | $449.51 | Add to cart |
| 8 | ![]() |
Cartridge, System 3 S7M400, 136sqft, 8-5/8"dia, 25-3/8", Inner | 25021-0223S | 2 in stock | $261.11 | Add to cart |
Parts that go with this
Show 4 companion parts we stock
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Tool, Klorkinator, Lid/Cover Removal Tool | KW-212 | 7 in stock | $106.95 | Add to cart |
![]() |
Tool, Socket Set, Multi-Tork, 3 Items, Polycarbonate | MT-301 | 20 in stock | $101.25 | Add to cart |
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Tool, Socket, Double-Hex, 9/16 and 7/8, with 1.48well | MT-100 | 11 in stock | $68.45 | Add to cart |
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Tool, Socket, System3 3" Knob, Stainless Steel | MTJ-770-S | 4 in stock | $66.75 | Add to cart |


















































