Shaft Seal, Pentair WhisperFlo, 5/8″, Buna, 1000 | 071734S
$55.89
| Manufacturer part number | 071734S |
| UPC (GTIN) | 788379787844 |
| Returns | 30-day returns – see our returns policy |
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Pentair WhisperFlo Shaft Seal | Model 071734S
Product Overview
We supply this professional-grade Model 1000 shaft seal designed specifically for Pentair WhisperFlo pumps. This 5/8″ seal features durable Buna construction and is engineered for optimal performance in WhisperFlo’s quiet-operation design.
Key Features and Benefits
- WhisperFlo specific design
- Precision 5/8″ shaft specification
- Quality Buna elastomer construction
- Model 1000 performance grade
- Noise reduction optimized
- Enhanced sealing geometry
- Whisper-quiet operation support
Technical Specifications
| Specification | Detail |
|---|---|
| Model | 071734S |
| Series | WhisperFlo 1000 |
| Shaft Size | 5/8 inch |
| Elastomer Type | Buna |
| Face Materials | Carbon/Ceramic |
| Spring Material | 316 Stainless Steel |
| Maximum Temperature | 230°F (110°C) |
| Maximum Pressure | 150 PSI |
| Rotation | Bi-directional |
| Design Type | High Performance |
Exploded parts diagram: This part is shown as item #16 on the Pentair WhisperFlo VST Pump Replacement Parts exploded parts diagram.
🔧 Pentair WhisperFlo VST Pump Replacement Parts – exploded parts diagram
The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
🔧 Exploded diagram and parts
This part belongs to the Pentair WhisperFlo VST Pump Replacement Parts assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Complete cable replacements
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Cable Replacement, Pentair, SuperFlo VS, To Automation, 25ft | 356324Z | 25 in stock | $96.11 | Add to cart |
Complete pumps
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Pump, Pentair WhisperFlo VST, 2.6thp, 115v/208-230v, 2", EC | EC-011533 | Available to order | $2145.70 |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Shaft Seal, PS-961, 5/8" Shaft, Buna, Carbon Face | PS-961 | 55 in stock | $11.15 | Add to cart |
 |
Shaft Seal, PS-1905, 5/8" Shaft, Silicon Carbide PS-1000 | PS-1905 | 9 in stock | $102.75 | Add to cart |
 |
Generic Pump Seal PS-3865R | PS-3865R | 357 in stock | $18.17 | Add to cart |
Installation and Maintenance
Professional installation ensures optimal seal performance. The ceramic seat must be installed with uniform pressure, and sealing faces must be thoroughly cleaned before assembly. Proper alignment is crucial for maximum seal life and noise reduction.
Compatibility
Specifically designed for:
- Pentair WhisperFlo pumps
- 5/8″ shaft configurations
- Model 1000 applications
- Quiet-operation systems
Performance Features
Engineered to deliver:
- Superior noise reduction
- Reliable sealing pressure
- Enhanced durability
- Consistent performance
- Extended service life
- Optimal efficiency
Note: Always verify seal compatibility with your specific Pentair WhisperFlo pump model before installation
| Pump Model | Booster Pump, IntelliFlo VF, IntelliFlo VS, IntelliFlo VS+SVRS, IntelliFlo-i1 VS, IntelliFlo-i1+i2-VS, IntelliFlo2 VST, IntelliPro VS+SVRS, WhisperFlo |
|---|---|
| Shaft Seal Head Type | B |
| Pump Manufacturer | Letro/Pentair, Pentair |
| Quality/Material | Good – Buna Graphitic Plastic |
| Shaft Size | 5/8" |
| Seal Outside Diameter | 1-5/8"dia |
| Seal Height | 25/32" |
| Mating Ring Diameter | 1-17/64"dia |
| Mating Ring Thickness | 13/32" |
| US Seal Basic Equivalent | PS-1000 |
| H Part# | 35-102-1028 |