Swimables® WhisperFlo-Style Pump Wet End (0.5–2 HP) w/ Hi-Temp Unions | SW-21-149
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- Replaces OEM assembly 357149 (WhisperFlo wet end)
- HP range: 0.5–2.0 HP
- Includes: 2" hi-temp unions (MPT × slip)
- Aftermarket brand: Swimables
This is a wet end only; motor not included. For best results, replace the shaft seal and worn o-rings during installation.
- 2" Hi-Temp Union | 21063-200-000
Q: Will this fit all WhisperFlo models?
A: It’s built to replace the 357149 wet end used on 0.5–2 HP WhisperFlo-style pumps. Verify your original assembly number.
Q: Are unions included?
A: Yes, 2" high-temperature unions are included.
Q: Do I need a new shaft seal?
A: Yes—always install a fresh shaft seal when replacing a wet end.
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Swimables® WhisperFlo-Style Pump Wet End (0.5–2 HP) w/ Hi-Temp Unio...
Description
Description
Swimables® WhisperFlo-Style Pump Wet End (0.5–2 HP) with Hi-Temp Unions | SW-21-149
Complete aftermarket wet end for WhisperFlo-style pumps (replaces Pentair 357149). Includes hi-temperature 2" unions for easy service. Motor not included.
Features
- Direct replacement for WhisperFlo wet ends, 0.5–2 HP range (aftermarket by Swimables)
- Includes 2" hi-temp unions (MPT × slip) for fast install/service
- OEM-style housing and internals; rebuild without replacing the motor
- Suited for harsh pool environments and continuous duty
Description
The SW-21-149 wet end revives a worn WhisperFlo-style pump. It mirrors the OEM 357149 assembly and adds high-temperature unions so you can replumb once and service easily later. Swap in a fresh shaft seal and gaskets and you’re back to leak-free, efficient circulation.
Pro Tip
Always replace the shaft seal and lid/diffuser o-rings when changing a wet end. Use the supplied hi-temp unions to make the next service a two-minute job.
Related Parts
- WhisperFlo/IntelliFlo 2" Hi-Temp Union | 21063-200-000
- WhisperFlo Shaft Seal (PS-1000/AS-1000 class) | N/A
- WhisperFlo Pump Lid & O-Ring Kit (357151/357199 class) | N/A
Technical Specifications
| SKU | SW-21-149 |
| UPC or GTIN | N/A |
| Brand | Swimables |
| Product Type | Pump Wet End Assembly (WhisperFlo style) |
| Size/Connection | 2" hi-temp unions included (2" MPT × 2" slip); standard WhisperFlo footprint |
| Materials | Pump housing & basket assembly; high-temperature PVC unions |
| Power Source | N/A (wet end only; reuse existing motor) |
| Compatible Product(s) | Pentair WhisperFlo/IntelliFlo-style pumps, 0.5–2 HP |
| Dimensions | N/A |
| Weight | N/A |
Specifications
Specifications
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SKU
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Product Type
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Size/Connection
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Materials
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Warranty
Product Warranty
Product Warranty
We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
- Pentair Warranty
- A&A (Pentair In-Floor) Warranty
- Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
- Paramount Warranty
- BlueSquare Warranty
- Hayward Warranty
- All Other Manufacturer Warranties
Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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