What it does for your water
The PRO+AQUA PRO-S-45E 45,000-Grain Water Softener is a whole-house softener rated at 45,000 grains.
Run at an efficient salt setting, its rating gives about 33,800 grains per regeneration rather than the full rating: enough for up to 4 people on 15 grains-per-gallon water regenerating weekly, or 2 on 25 grains per gallon. Run your household's numbers.
The listing also gives features listed Smart Digital Control, Iron Reduction; mounting Whole House Water Tank; connections 1" Ports; sized by the maker for 4–6; model PRO-S-45E; warranty 1 yr Standard, 3 years with registration.
The listing gives 9x35 softener tank in the box.
Warranty, per the listing: 1 yr Standard, 3 years with registration.
Is it the right unit for your house?
Choose it when
- Up to 4 people on 15 gpg water
- Replacing an older softener
Pass on it when
- More than 2 people on 25 gpg water
- Iron above about 5 ppm without an iron filter
Where it wins and where it loses
Wins
- 45,000-grain rating
Loses
- Service flow not stated
- Valve not named on the listing
- Requires a drain line and power
- Softened water carries added sodium unless you use potassium chloride
Limits to know about
- Figures are the maker's or seller's own; check fit and capacity against your water test and your equipment's manual.
Maker's figures
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Model number | PRO-S-45E | Retailer |
|---|---|---|
| Features (seller) | Smart Digital Control, Iron Reduction | Retailer |
| Material | Resin | Retailer |
| Mounting / installation | Whole House Water Tank | Retailer |
| Method | Ion Exchange | Retailer |
| Model name | PRO-S-45E | Retailer |
| Warranty | 1 yr Standard, 3 years with registration | Retailer |
| Grain capacity (maker) | 45,000 grains | Retailer |
| Pipe connection | 1" Ports | Retailer |
| Household (maker) | 4–6 | Retailer |
Units to weigh against it
Other water softeners in the catalog
- Premier Water Systems WHS48K-56SM 48,000-Grain Water Softener
- Premier Water Systems Fleck 5600 WHWS1054 48,000-Grain Water Softener
- Aquasana WH-SF40-BASE 40,000-Grain Water Softener
- Aquasure Harmony Series AS-HS64FM 64,000-Grain Water Softener
Every water softeners on one grid · All PRO+AQUA units we cover
Final verdict
A sensible whole-house softener for up to 4 people on 15 gpg water.
Where to buy
Our links open this exact model's product page. Prices and stock change; check what's included before you order.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure