Drain Plug, Pentair C-Series, 1/4″ | 071551
$4.63
| Manufacturer part number | 071551 |
| UPC (GTIN) | 788379703769 |
| Returns | 30-day returns – see our returns policy |
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Pentair C-Series Drain Plug 071551
Product Overview
We supply this Pentair drain plug, specifically designed for C-Series pumps. This 1/4″ plug provides reliable sealing for routine maintenance and winterization procedures.
Key Features
- Designed for C-Series pumps
- 1/4″ size specification
- Precision threading
- Chemical-resistant construction
- Easy service access design
Technical Details
The 071551 drain plug features precision engineering to ensure proper fit and seal in C-Series pump drain ports. The 1/4″ size is specifically designed to provide easy access for draining while maintaining a secure seal during operation.
Exploded parts diagram: This part is shown as item #7 on the Pentair C-Series Bronze Pump,w/Hair & Lint Strainer Option exploded parts diagram.
🔧 Pentair C-Series Bronze Pump,w/Hair & Lint Strainer Option – exploded parts diagram
The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Go-Kit 36, Aqua Flo Dominator/C Series Pump, Pre-`95 |
| – | Flange Assy, Pentair EQ Series, Hair & Lint Strainer, 6" |
| – | Pump, Pentair CMK-150, 15.0hp, 3-Phase, 220/440v, Bronze |
| – | Flange Assy, Pentair EQ Series, Hair & Lint Strainer, 4" |
| – | 34-102-1442 |
| – | Pump, Pentair,CHK-200 C Series, 20HP Commercial Pool Pump |
| – | 34-102-1435 |
| – | 35-102-2030 |
| – | Motor, Pentair C Series, 15.0hp, 575v, 3-Phase |
| – | Motor, Pentair C Series, 10.0hp, 575v, 3-Phase |
| – | Motor, Pentair C Series, 7.5hp, 575v, 3-Phase |
| – | Motor, Pentair C Series, 20.0hp, 200v/208v, 3-Phase |
| – | Motor, Pentair C Series, 15.0hp, 200v/208v, 3-Phase |
| – | 35-102-2016 |
| – | Motor, Pentair C Series, 7.5hp, 200v/208v, 3-Phase |
| – | Motor, Pentair C Series, 5.0hp, 200v/208v, 3-Phase |
| – | 34-102-1414 |
| – | Pump, Pentair CM-75, 7.5hp, 1-Phase, 230v, Bronze |
| 25d | 34-110-W037K25D |
| 25c | 34-110-W037K25C |
| 25b | 34-110-W037K25B |
| 25a | 34-110-W037K25A |
| 24c | 34-110-W037K24C |
| 24b | 34-110-W037K24B |
| 24 | 34-110-W037K24 |
| 24a | 34-110-W037K24A |
| 23 | 34-110-W037K23 |
| 22 | 34-110-W037K22 |
| 21 | Bolt, Pentair Purex Quietflo, Seal Plate, 3/8-16 x 3/4" |
| 20 | 34-110-W037K20 |
| 19 | 34-110-W037K19 |
| 18 | Impeller Key, Pentair C-Series, 3/6" |
| 17 | O-Ring, 5-3/4" ID, 1/4" Cross Section, Generic |
| 16 | Seal Plate, Pentair C-Series |
| 15 | 34-110-W037K15 |
| 14 | 34-110-W037K14 |
| 13 | 34-110-W037K13 |
| 12 | Screw, Pentair C-Series, Pump Base |
| 11 | Pump Base, Pentair C-Series |
| 10 | Volute, Pentair C-Series |
| 9 | Gasket, Pentair C-Series, Flange |
| 8 | Screw, Pentair C-Series, Volute |
| 7 | Drain Plug, Pentair C-Series, 1/4" ◀ this part |
| 6 | Body, Pentair C-Series, 5" Suction |
| 5 | 34-110-W037K5 |
| 5 | Basket, Pump, OEM Pentair C-Series |
| 4 | 34-110-W037K4 |
| 3 | Lid, Pentair C-Series |
| 2 | Lid Knob, Pentair C-Series |
| 1 | Hair and Lint Strainer, Pentair C-Series |
Compatibility
This drain plug is specifically designed for:
- Pentair C-Series pumps
- 1/4″ drain port applications
- Part number cross-reference: 071551
Installation Notes
Hand-tighten to specification – do not over-torque. Use appropriate thread sealant if recommended by pump manufacturer. Clean threads thoroughly before installation. Ensure proper alignment when starting threads.
Specifications Table
| Specification | Detail |
|---|---|
| Manufacturer | Pentair |
| Model Line | C-Series |
| Part Number | 071551 |
| Size | 1/4 inch |
| Material | Chemical-resistant polymer |
| Application | Pump drainage |
| Replacement Type | Direct OEM replacement |
| Design Type | Service access |
| Construction | Single-piece |
| Thread Size | 1/4 inch standard |
| Thread Type | NPT (National Pipe Thread) |
| Usage | Maintenance access point |
🔧 Exploded diagram and parts
This part belongs to the Pentair C-Series Bronze Pump, w/Hair & Lint Strainer Option assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Complete go-kit 36s
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Go-Kit 36, Aqua Flo Dominator/C Series Pump, Pre-`95 | GO-KIT 36 | 1 in stock | $26.23 | Add to cart |
Complete motors
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Motor, Pentair C Series, 7.5hp, 200v/208v, 3-Phase | 357208S | Available to order | $3215.68 | |
 |
Motor, Pentair C Series, 5.0hp, 200v/208v, 3-Phase | 357206S | 2 in stock | $3928.73 | Add to cart |
Complete motors
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 24 |  |
Motor, Pentair C Series, 7.5hp, 200v/208v, 1-Phase | 357207S | 1 in stock | $3725.36 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Plasto-Joint Stick, 1.25oz, Thread Sealant | 0013675 | 154 in stock | $11.78 | Add to cart |
 |
Generic PTFE Teflon/Plumbers Thread Seal Tape A05-0265 | A05-0265 | 214 in stock | $1.27 | Add to cart |
 |
Silicone, DOW 732, 3oz Tube, Clear | DC-732-CLR-3 | 186 in stock | $17.88 | Add to cart |
Maintenance Recommendations
Regular inspection during standard maintenance procedures. Check for thread wear or damage. Verify sealing capability during each pump service. Replace if any leakage occurs or if threads show wear. Always clean threads before reinstallation.
| Brand | Pentair |
|---|---|
| Model | C-Series |
| Pump Part Type | Drain Plug |
| H Part# | 35-110-4140 |