💧 Bolt, Pentair Purex Whisperflo/IntelliFlo, 1/4-20 x 1″
Made by Pentair, manufacturer part number 071657Z. It is listed for the equipment shown below, so check the model on your own unit against that list. If your old part carries one of the cross-reference numbers further down, this is listed as its alternative.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Pentair |
| Manufacturer part number | 071657Z |
| Fastener Size | 1/4″ |
| Thread Pitch | 20 |
| Fastener Length | 1″ |
| Head Type | Hex |
| Material | Stainless Steel |
| Catalog description | Bolt, Pentair Purex Whisperflo/IntelliFlo, 1/4-20 x 1″ |
✅ Listed for
- Pentair IntelliFlo® VS+SVRS Pump Rpl Parts (After 6/2016)
- Pentair IntelliFlo VSF/2 VST/VS Rpl Parts (After 2018)
- Pentair WhisperFlo® High Performance Pool Pump
- Pentair Purex IntelliFlo® VF High Performance Pump
- Pentair IntelliFlo® VS (Before 2019)/VS+SVRS (Before 6/2016)
🔄 Cross-reference part numbers
These part numbers are listed as alternatives for this part.
| Brand | Part number |
|---|---|
| Purex/Pentair | 071657 |
Exploded parts diagram: This part is shown as item #21 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 |































