Washer, Pentair EQ Ser, Strainer, Flat, 5/8″id x 1-5/16″od, ss | 356789
$1.81
| Manufacturer part number | 356789 |
| UPC (GTIN) | 788379689896 |
| Returns | 30-day returns – see our returns policy |
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Pentair EQ Series Strainer Washer – Stainless Steel (356789)
Product Overview
We stock this precision-engineered stainless steel strainer washer designed specifically for Pentair EQ Series pumps. This flat washer features exact dimensional specifications for perfect fit and optimal performance.
Key Features
- Stainless steel construction
- 5/8″ inner diameter
- 1-5/16″ outer diameter
- Flat profile design
- EQ Series specific
- Corrosion-resistant material
- Precision dimensions
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 356789 |
| Inner Diameter | 5/8 inch |
| Outer Diameter | 1-5/16 inch |
| Material | Stainless Steel |
| Style | Flat |
| Series | EQ Series |
| Application | Strainer Assembly |
| Profile | Precision flat |
Exploded parts diagram: This part is shown as item #10 on the Pentair EQ Series Pump, w/Hair & Lint Strainer Option exploded parts diagram.
🔧 Pentair EQ Series 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 |
|---|---|
| – | Pump, Pentair EQ-500, 5.0hp, 230V, 1ph, Without Pot, ODP |
| – | Pump, Pentair EQ-500, 5.0hp, 230V, 1ph, w/Pot |
| – | Pump, Pentair EQ-750, 7.5hp, 230V, 1ph, w/Pot |
| – | Pump, Pentair EQ-1000, 10.0hp, 230V, 1Ph, w/Pot |
| – | Pump, Pentair EQK-750, 7.5hp, 208-230V/460V, 3ph, w/Pot |
| – | Pump, Pentair EQKT-500,5.0hp,208-230V/460V,3ph,w/o Pot,TEFC |
| – | Pump, Pentair EQKT-500, 5.0hp, 208-230V/460V,3ph,w/Pot,TEFC |
| – | Pump, Pentair EQKT-750, 7.5hp, 208-230V/460V,3ph,w/Pot,TEFC |
| – | Pump, Pentair EQKT-1000,10.0hp,208-230V/460V,3ph,w/Pot,TEFC |
| – | Pump, Pentair EQKT-1500,15.0hp,208-230V/460V,3ph,w/Pot,TEFC |
| 37f | 34-110-W035K37F |
| 37e | 34-110-W035K37E |
| 37d | 34-110-W035K37D |
| 37c | 34-110-W035K37C |
| 37b | 34-110-W035K37B |
| 37a | 34-110-W035K37A |
| 36 | 34-110-W035K36 |
| 35 | Bolt,Pentair EQ,Hair & Lint Strainer,Hex,5/8"-11 x 1-3/4" |
| 34 | Body, Pentair EQ Series, Hair and Lint Strainer |
| 33 | Basket, Hair and Lint Strainer, OEM, Pentair EQ Series |
| 32 | 34-110-W035K32 |
| 31 | 34-110-W035K31 |
| 26 | 34-110-W035K26 |
| 30 | 34-110-W035K30 |
| 29 | 34-110-W035K29 |
| 28 | 34-110-W035K28 |
| 11 | 34-110-W035K11 |
| 27 | 34-110-W035K27 |
| 26 | O-Ring, Pentair IntelliFlo XF/EQ Series, Drain Plug, O-130 |
| 25 | Drain Plug, Pentair Sta-Rite SuperMax/EQ Series, 1/4" |
| 25 | Drain Plug, Filters/Pumps, w/O-Ring, 1/4", Blk, Generic |
| 25 | 34-110-W035K25 |
| 24 | Nut, Pentair EQ Series, Hex, 5/8" -11, Brass, qty 5 |
| 23 | 34-110-W035K23 |
| 22 | 34-110-W035K22 |
| 21 | 34-110-W035K21 |
| 20 | Washer, Pentair AmProd UltraFlow/EQ Series, Flat, 1/4" |
| 19 | 34-110-W035K19 |
| 18 | 34-110-W035K18 |
| 17 | 34-110-W035K17 |
| 16 | 34-110-W035K16 |
| 15 | 34-110-W035K15 |
| 14 | 34-110-W035K14 |
| 13 | 34-110-W035K13 |
| 12 | 34-110-W035K12 |
| 11 | Motor Adapter, Pentair EQ Series |
| 10 | Washer,Pentair EQ Ser,Strainer,Flat,5/8"id x 1-5/16"od,ss ◀ this part |
| 9 | Bolt,Pentair EQ Ser,Seal Plate,Hex Head,5/8"-11 x 6-1/2",ss |
| 8 | 34-110-W035K8 |
| 7 | 34-110-W035K7 |
| 6 | 35-110-3114 |
| 5 | 34-110-W035K5 |
| 4 | Strainer Housing, Pentair EQ Series |
| 3 | 34-110-W035K3 |
| 2 | 34-110-W035K2 |
| 1 | Complete Hair and Lint Strainer, Pentair EQ Series, 6" x 6" |
Material Benefits
- Superior corrosion resistance
- Extended service life
- Chemical resistance
- Temperature stability
- Professional grade
- Enhanced durability
- Pool/spa chemical compatible
Design Features
- Precise dimensional accuracy
- Flat surface finish
- Even load distribution
- Professional-grade thickness
- Optimal compression properties
- Balanced pressure distribution
- Enhanced sealing surface
🔧 Exploded diagram and parts
This part belongs to the Pentair EQ Series Pump, w/Hair & Lint Strainer Option assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Show the other 25 parts on this diagram we stock
Square Rings
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 25 |  |
Drain Plug, Filters/Pumps, w/O-Ring, 1/4", Blk, Generic | 25357-054-000 | 167 in stock | $5.61 | Add to cart |
| 31 |  |
Lid, Pentair EQ Series, Hair and Lint Strainer, Clear | 356750 | Available to order | $417.98 | |
| 32 |  |
Square Ring, Pentair EQ Series, Hair and Lint Strainer, Lid | 350166 | Available to order | $34.90 | |
| 32 |  |
Square Ring, Pentair EQ Series, Hair and Lint Strainer, Lid | 350166Z | 16 in stock | $38.34 | Add to cart |
| 33 |  |
Basket, Hair and Lint Strainer, OEM, Pentair EQ Series | 357184 | 8 in stock | $344.91 | Add to cart |
| 34 |  |
Body, Pentair EQ Series, Hair and Lint Strainer | 356725 | 1 in stock | $941.59 | Add to cart |
 |
O-Ring, Pentair IntelliFlo XF/EQ Series, Drain Plug, O-130 | 192115Z | Available to order | $1.30 | ||
 |
Motor Adapter, Pentair EQ Series | 356790 | 1 in stock | $953.41 |
Applications
Specifically designed for:
- EQ Series strainer assemblies
- Professional repairs
- System maintenance
- OEM replacements
- Strainer rebuilds
- Preventive maintenance
Installation Benefits
- Exact fit specifications
- Professional assembly
- Proper load distribution
- Enhanced sealing
- Simplified maintenance
System Integration
Compatible with:
- Pentair EQ Series pumps
- Original strainer assemblies
- Factory specifications
- Standard mounting systems
- Professional repairs
Maintenance Notes
- Regular inspection recommended
- Replace if showing wear
- Essential for proper sealing
- Critical assembly component
- Inspect during strainer service
| Brand | Pentair |
|---|---|
| Model | EQ Series |
| Inside Diameter | 5/8" |
| Pump Part Type | Washer |
| Outside Diameter | 1-5/16" |
| Thickness | 3/32" |
| Washer Material | Stainless Steel |
| H Part# | 35-110-3200 |