For a smaller house whose supply pressure is very low and needs a big lift rather than a lot of flow.
Amazon $1,134.66The Davey BT14-45 Torrium2 is the better water pressure booster pump overall, rated 3.2 to 3.1. The Davey BT14-45 Torrium2 leads on warranty. The Grundfos SCALA1 3-45 115V wins on pressure. The Grundfos SCALA1 3-45 115V costs $313.02 less ($821.64 vs $1,134.66).
A tidy all-in-one booster for a low pressure supply or a storage tank where steady constant pressure is not essential. Most buyers spending this much should step up to the SCALA2.
Amazon $821.64Prices were last checked November 2, 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 Davey BT14-45 Torrium2 for warranty (3-year warranty vs 2-year warranty).
- Choose the Grundfos SCALA1 3-45 115V for pressure (150 ft maximum head (about 65 psi) vs 132 ft maximum head (about 57 psi)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every fixed speed water pressure booster pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Davey BT14-45 Torrium2 | Grundfos SCALA1 3-45 115V |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 30% | 0 $81.05 per gpm ($1,134.66, 14 gpm) | 7 $52 per gpm ($821.64, 15.8 gpm rated; maximum not published) |
| Flow 15% | 27 14 gpm maximum | 35 15.8 gpm rated; maximum not published |
| Pressure 15% | 60 132 ft maximum head (about 57 psi) | 75 150 ft maximum head (about 65 psi) |
| Protection 10% | 100 dry-run and overheat protection | 100 dry-run and overheat protection |
| Noise 10% | 50 noise rating not published (neutral score used) | 60 55 dBA |
| Warranty 20% | 100 3-year warranty | 50 2-year warranty |
Specifications
| Davey BT14-45 Torrium2 | Grundfos SCALA1 3-45 115V | |
|---|---|---|
| Pumping | ||
| Drive | Fixed speed | Fixed speed |
| Maximum flow | 14 gpm | - |
| Maximum head | 132 ft (57 psi) | 150 ft (65 psi) |
| Highest inlet pressure | - | 43.5 psi |
| Motor | 0.9 HP | 0.8 HP |
| Input power | 860 W | 950 W |
| Ports | 1 in | 1 in |
| Protection and build | ||
| Built-in tank | No | No |
| Dry-run protection | Yes | Yes |
| Overheat protection | Yes | Yes |
| Outdoor rated | - | Yes |
| Voltage | 120 V | 120 V |
| Noise | - | 55 dBA |
| Weight | 25.4 lb | 26.4 lb |
| Warranty | 3 years | 2 years |
