Pentair SuperFlo VST
#11 in In-GroundFull review
A plain, efficient variable-speed swap for a 1 to 1.5 HP pump on an ordinary in-ground pool, for owners happy to set three speeds on the keypad.
Amazon $1,399.99$1,399.99
The Pentair SuperFlo VST is the better pool pump overall, rated 3.3 to 2.8. The Pentair SuperFlo VST leads on efficiency and controls. The CircuPool SmartFlo AF 2.2P wins on warranty. The Pentair SuperFlo VST costs $75.01 less ($1,399.99 vs $1,475).
CircuPool SmartFlo AF 2.2P
#29 in In-GroundFull review
A smart drop-in for a Pentair-footprint pad, for owners who want app control and flow targeting on 115 or 230 V.
Amazon $1,475$1,475
Prices were last checked October 27, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Pentair SuperFlo VST for efficiency (WEF 9, 40% above the ENERGY STAR minimum for its size vs WEF 8.6, 12% above the ENERGY STAR minimum for its size) and controls (Built-in schedule, works with pentair automation (rs-485 kit), relay or digital-input controllers vs Built-in wi-fi).
- Choose the CircuPool SmartFlo AF 2.2P for warranty (5-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every in-ground pool pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Pentair SuperFlo VST | CircuPool SmartFlo AF 2.2P |
|---|---|---|
| Overall rating | 3.3/5 | 2.8/5 |
| Efficiency 35% | 61 WEF 9, 40% above the ENERGY STAR minimum for its size | 4 WEF 8.6, 12% above the ENERGY STAR minimum for its size |
| Value 25% | 46 $1,400 for 2.2 HP ($636 per HP) | 43 $1,475 for 2.2 HP ($670 per HP) |
| Warranty 15% | 25 2-year warranty | 100 5-year warranty |
| Controls 15% | 65 Built-in schedule, works with pentair automation (rs-485 kit), relay or digital-input controllers | 35 Built-in wi-fi |
| Noise 10% | 50 noise not published (neutral score used) | 50 noise not published (neutral score used) |
Specifications
| Pentair SuperFlo VST | CircuPool SmartFlo AF 2.2P | |
|---|---|---|
| Efficiency ratings | ||
| Pump type | In-ground (self-priming) | In-ground (self-priming) |
| Motor | Variable speed | Variable speed |
| Rated horsepower (DOE) | 2.2 HP | 2.2 HP |
| Hydraulic horsepower (DOE) | 1.1 HP | 0.6 HP |
| Weighted energy factor (WEF) | 9 kgal/kWh | 8.6 kgal/kWh |
| ENERGY STAR minimum for its size | 6.4 kgal/kWh | 7.7 kgal/kWh |
| ENERGY STAR certified | Yes | Yes |
| Pump | ||
| Voltage | 115/230 V | 115/230 V |
| Speed range | 450 to 3,450 rpm | - |
| Maximum flow | 113 gpm | - |
| Pipe size | 1.5 in | 2 in |
| Size (W × D × H) | - | 23.8 × 10.9 × 12.8 in |
| Controls | ||
| Built-in schedule | Yes | - |
| Freeze protection | No | Yes |
| Wi-Fi | No | Built in |
| Automation compatibility | Pentair automation (RS-485 kit), Relay or digital-input controllers | - |
| Warranty and models | ||
| Warranty | 2 years | 5 years |
| Warranty terms | Pentair lists the SuperFlo VS/VST, SuperMax VS and WhisperFlo VST pumps at 2 years (parts and labor when professionally installed from a dealer, pool builder or service company); a qualifying pump + filter + one more Pentair product install extends that to 3 years. Bought online (including EC- part numbers) it is 1 year, parts only. | 5-year manufacturer warranty with US-based support, as listed for any buyer. |
| Also sold as | Sta-Rite SuperMax VS (343001) | LINGXIAO Relaax220-VSWP, Relaax Water Relaax220-VSWP, Key Lander SWP220-VS, LX SWP220-VS |
| Released | 2021-10 | 2026-04 |