Pentair EQ Series Strainer Flange Assembly 357262
Product Overview
We supply this professional-grade Pentair flange assembly, specifically designed for EQ Series hair and lint strainer with 4″ connections. This component is engineered for commercial-grade applications requiring high-capacity filtration.
Key Features
- Designed for EQ Series strainers
- 4″ connection specification
- Commercial-grade construction
- Complete assembly package
- Heavy-duty design
- Enhanced sealing system
Technical Details
The 357262 flange assembly incorporates heavy-duty engineering for commercial pool and spa applications. The 4″ connection size allows for high-volume flow while maintaining proper strainer access. The assembly includes all necessary components for a complete installation.
Exploded parts diagrams: This part is shown as the Pentair CSPH/CCSPH Series Pump Replacement Parts; the Pentair C-Series Bronze Pump,w/Hair & Lint Strainer Option exploded parts diagrams.
🔧 Pentair CSPH/CCSPH Series Pump Replacement Parts – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Trap Body Cmplt, Pentair C/CC/D Series, Cast Iron, Pkg 184 |
| – | Trap Body, Pentair C/CC/D Series, Cast Iron, Pkg 184C |
| – | Pump, Pentair CSP, 10.0hp, 3Ph, 230V/460V, Cast Iron |
| – | Pump, Pentair CCSP,10.0hp,3Ph,230V/460V,Epxy Coat Cast Iron |
| – | Pump, Pentair CCSP, 15hp, 3Ph,230v/460v,Epoxy Coat Cast Iron |
| – | Trap Body Only, Pentair C/CC/D Series, Cast Iron, Pkg 184 |
| – | Trap Body Only, Pentair C/CC/D Series, Cast Iron, Pkg 184C |
| – | Lid, Pentair PKG184C/PKG184CE, Epoxy Coated |
| – | Flange Assy, Pentair EQ Series, Hair & Lint Strainer, 4" ◀ this part |
| – | Flange Assy, Pentair EQ Series, Hair & Lint Strainer, 6" |
| 22 | _16830-0120 |
| 21 | _U78-59D |
| 20 | 34-102-W071K20 |
| 19 | _33450-8041 |
| 18 | Gasket Volute Discharge |
| 17 | _16830-0400 |
| 16 | Drain Plug, Pentair Sta-Rite CF6, 1/4" |
| 15 | _S23619 |
| 14 | 34-102-W071K14 |
| 13 | 34-102-W071K13 |
| 12 | 34-102-W071K12 |
| 11 | 34-102-W071K11 |
| 10 | 34-102-W071K10 |
| 9 | _S04757 |
| 8 | 34-102-W071K8 |
| 7 | 34-102-W071K7 |
| 6 | 34-102-W071K6 |
| 5 | _30747-0152 |
| 4 | 34-102-W071K4 |
| 3 | 34-102-W071K3 |
| 2 | _S23488 |
| 1 | 34-102-W071K1 |
Compatibility
This flange assembly is specifically designed for:
- Pentair EQ Series pumps
- 4″ plumbing systems
- Hair and lint strainer housings
- Part number cross-reference: 357262
Installation Notes
Professional installation required. Ensure proper alignment of all components. Verify gasket placement and condition before assembly. Use appropriate torque sequence for mounting hardware. Check for proper clearance around strainer access.
Specifications Table
| Specification | Detail |
|---|---|
| Manufacturer | Pentair |
| Model Line | EQ Series |
| Part Number | 357262 |
| Connection Size | 4 inch |
| Material | Commercial-grade |
| Application | Hair/Lint strainer |
| Replacement Type | Direct OEM replacement |
| Design Type | Strainer flange |
| Construction | Heavy-duty assembly |
| Sealing Method | Gasket system |
| Usage | Commercial applications |
| Flow Rating | High capacity |
🔧 Exploded diagram and parts
This part belongs to the Pentair CSPH/CCSPH Series Pump Replacement Parts assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | |
|---|---|---|---|---|
| 18 | ![]() |
Gasket Volute Discharge | 33450-8042 | 2 in stock |
Complete flange assys
| Part | Our part number | Availability | |
|---|---|---|---|
![]() |
Flange Assy, Pentair EQ Series, Hair & Lint Strainer, 6" | 357263 | 7 in stock |
Parts that go with this
| Part | Our part number | Availability | |
|---|---|---|---|
![]() |
Flange Assy, PentairEQ w/o Strainer, Hair & Lint Strainer, 6" | 357212 | Available to order |
![]() |
Strainer Housing, Pentair EQ Series | 356755 | 2 in stock |
Maintenance Recommendations
Regular inspection of sealing surfaces and mounting hardware. Check for proper gasket compression and sealing integrity. Verify strainer access functionality during maintenance. Monitor for any signs of corrosion or wear. Replace any damaged components immediately to maintain system integrity.























