Pentair Purex IntelliFlo/WhisperFlo Diffuser 072927Z
Product Overview
We supply this versatile Pentair diffuser, specially engineered for both IntelliFlo and WhisperFlo pump series. This premium component is designed to deliver optimal performance across a wide range of horsepower ratings from 0.5 to 2.5 HP.
Key Features
- Compatible with both IntelliFlo and WhisperFlo series
- Wide horsepower compatibility range (0.5-2.5 HP)
- Advanced noise reduction design
- Engineered for variable-speed applications
- Premium-grade construction for extended durability
Technical Details
The 072927Z diffuser features sophisticated hydraulic engineering to accommodate both variable and single-speed pump applications. Its advanced design helps maintain optimal flow characteristics across different power settings while minimizing operational noise. The robust construction ensures reliable performance across the entire horsepower range.
Exploded parts diagram: This part is shown as item #13 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.
Compatibility
This diffuser is specifically designed for:
- Pentair IntelliFlo pumps (0.5-2.5 HP)
- Pentair WhisperFlo pumps (0.5-2.5 HP)
- Part number cross-reference: 072927Z
Installation Notes
System must be completely powered down and drained before replacement. While designed for broad compatibility, proper alignment during installation is crucial. Suitable for both professional and experienced DIY installation.
Specifications Table
| Specification | Detail |
|---|---|
| Manufacturer | Pentair |
| Model Lines | IntelliFlo and WhisperFlo |
| Part Number | 072927Z |
| HP Rating | 0.5-2.5 HP |
| Material | High-grade engineered polymer |
| Application | Variable and single-speed pumps |
| Replacement Type | Direct OEM replacement |
| Design Type | Multi-speed optimization |
| Construction | Precision-molded structure |
| Flow Pattern | Adaptive vane configuration |
| Noise Rating | Whisper-quiet operation |
| Speed Compatibility | Variable and single speed |
🔧 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 | ||
|---|---|---|---|---|---|
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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 | ||
|---|---|---|---|---|---|
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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 | ||
|---|---|---|---|---|---|
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Shaft Seal, 1000, 5/8" Shaft, Buna | 1000 | 141 in stock | $5.90 | 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 |
![]() |
Silicone Based Lubricant 1oz 00150 | 00150 | 343 in stock | $5.26 | Add to cart |
Maintenance Recommendations
Regular inspection ensures optimal performance across all power ranges. Check for wear patterns and any accumulation that could affect flow characteristics or noise levels. Proper water chemistry and routine maintenance will help maximize efficiency and component lifespan.









































