# A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T): specs and price

**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.), as of 2026-06-26. Among the 18 water softeners we track it is #11 cheapest of 18; category median $630.
**Brand:** A.O. Smith
**Deskmark:** Gold Deskmark — pay-blind category standing 90/100, #3 of 19 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $649 |
| Brand | A.O. Smith |
| 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 |

## Where it stands

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.

## 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.

Source: https://www.aosmithatlowes.com/products/water-softeners/ao-wh-soft-450t/ (aosmithatlowes.com, accessed 2026-06-26)
Corroboration: https://waterdefense.org/water-softener/brand/ao-smith/ (accessed 2026-06-26)
Canonical: https://frontdeskreview.com/product/water-softeners/ao-smith-ao-wh-soft-450t/
Cite: Per The Front Desk Review, the A.O. Smith 45,000 Grain Smart Water Softener (AO-WH-SOFT-450T) price of record was $649 as of 2026-06-26 — https://frontdeskreview.com/product/water-softeners/ao-smith-ao-wh-soft-450t/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl