A.O. Smith · Updated June 2026
A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T): price & specs
The A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) costs $649, #11 cheapest of 18 water softeners (median $630). It earns a Gold Deskmark — 90/100 pay-blind standing, #3 of 19 in class.
Verified Jun 27, 2026 · figures linked to their source in the table below
A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T). Every price and spec below is linked to its source and dated — no guesses.
Source: aosmithatlowes.com verified ✓ corroborated verify in ledger
Is the A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) a good buy?
At $649, the A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) is #11 cheapest of the 18 water softeners we track, where the median is $630. On the spec sheet, its tank warranty years of 10 is the highest of the 12, its grain capacity of 45 is above the median of the 18, and its msrp usd of 649 is above the median of the 17.
Specifications
| Price (US) | $649 $649 per waterdefense.org and aosmithatlowes.com. Lowe's Item #960798. May no longer be sold on lowes.com per one search result. |
|---|---|
| Brand | A.O. Smith |
| Released | — |
| Grain capacity | 45 |
| System type | ion-exchange |
| Flow rate gpm | — |
| Salt efficiency lbs per kgrains | — |
| Iron removal ppm | 10 |
| Nsf certifications | — |
| Smart app control | Yes |
| Tank warranty years | 10 |
| Msrp usd | 649 |
Source: aosmithatlowes.com (verified 2026-06-26) · corroborated by waterdefense.org. A.O. Smith at Lowe's product page confirms 45,000 grain capacity, 10 ppm max iron reduction, 2.8-inch color touch screen, WiFi salt alerts and water monitoring, salt-sensing technology, 100 GPG max hardness. Warranty: 5yr mechanical/electronic parts / 10yr media tank and brine cabinet. Designed for 4+ people. Price $649 confirmed by waterdefense.org review.
Is the A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) worth it vs cheaper water softeners?
A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) against its closest cheaper and pricier water softeners on the specs that matter — every value sourced. See all 18 ranked →
| Product | Price | Grain capacity | System type | Iron removal ppm | Smart app control | Tank warranty years |
|---|---|---|---|---|---|---|
| A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) this | $649 | 45 | ion-exchange | 10 | Yes | 10 |
| Whirlpool WHES40E 40,000 Grain Water Softener | $629.99 | 40 | ion-exchange | 10 | No | — |
| Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) | $689 | 42.4 | ion-exchange | 11 | Yes | 10 |
Frequently asked questions
How much does the A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) cost?
The A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) has a US price of $649 ($649 per waterdefense.org and aosmithatlowes.com. Lowe's Item #960798. May no longer be sold on lowes.com per one search result.), as of 2026-06-26.
How does the A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) compare on price?
At $649, the A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) is #11 cheapest of the 18 water softeners we track, where the median is $630.
What are the A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T)'s key specs?
A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) (A.O. Smith): grainCapacity 45, systemType ion-exchange, ironRemovalPpm 10, smartAppControl Yes, tankWarrantyYears 10. Full sourced spec sheet verified 2026-06-26.
Similar water softeners
Nearest in price — swipe to browse. Every pick sourced and dated.
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Whirlpool WHES40E 40,000 Grain Water Softener -
Aquasure Harmony Series 48,000 Grain Digital Metered Water Softener (AS-HS48D) -
Morton M45C 45,000 Grain Wi-Fi Water Softener -
Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) -
Whirlpool WHES30E 30,000 Grain Water Softener -
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GE 40,000 Grain Water Softener (GXSH40V) -
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WaterBoss 700 22,000 Grain Water Softener -
Fleck 5600SXT 48,000 Grain Metered Water Softener -
Morton M34 Elite 34,000 Grain Water Softener
All water softeners ranked → · Open data & methodology · Queryable via MCP
Compare with
Cheaper water softeners
- Whirlpool WHES40E 40,000 Grain Water Softener $629.99
- Aquasure Harmony Series 48,000 Grain Digital Metered Water Softener (AS-HS48D) $629.99
- Morton M45C 45,000 Grain Wi-Fi Water Softener $622.99
- WaterBoss 900 36,400 Grain Water Softener $580
- GE 40,000 Grain Water Softener (GXSH40V) $569
- Rheem Preferred Plus 42,000 Grain Water Softener (RHS42) $549
Step up
- Rheem Preferred Platinum 42,000 Grain Smart Water Softener (RHW42) $689
- Whirlpool WHES30E 30,000 Grain Water Softener $698.94
- Fleck 5600SXT 48,000 Grain Metered Water Softener $799
- NuvoH2O Manor Salt-Free Water Softener System (DPMB) $999.99
- SpringWell SS1 Salt-Based Water Softener (32,000 Grain) $1620
- Aquasana SimplySoft 40,000 Grain Water Softener (WH-SF40) $1698