# WaterBoss 900 36,400 Grain Water Softener: specs and price

**Price (US):** $580 ($550-$580 range at major retailers. $569.99 at Ace Hardware per search results. Harvested $580 is within range.), as of 2026-06-26. Among the 18 water softeners we track it is #7 cheapest of 18; category median $630.
**Brand:** WaterBoss
**Deskmark:** Silver Deskmark — pay-blind category standing 79/100, #9 of 19 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $580 |
| Brand | WaterBoss |
| Grain capacity | 36.4 |
| System type | ion-exchange |
| Flow rate gpm | — |
| Salt efficiency lbs per kgrains | — |
| Iron removal ppm | 10 |
| Nsf certifications | — |
| Smart app control | No |
| Tank warranty years | 10 |
| Msrp usd | 580 |

## Where it stands

At $580, the WaterBoss 900 36,400 Grain Water Softener is #7 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 36.4 is below the median of the 18, and its msrp usd of 580 is below the median of the 17.

## Frequently asked questions

**How much does the WaterBoss 900 36,400 Grain Water Softener cost?**

The WaterBoss 900 36,400 Grain Water Softener has a US price of $580 ($550-$580 range at major retailers. $569.99 at Ace Hardware per search results. Harvested $580 is within range.), as of 2026-06-26.

**How does the WaterBoss 900 36,400 Grain Water Softener compare on price?**

At $580, the WaterBoss 900 36,400 Grain Water Softener is #7 cheapest of the 18 water softeners we track, where the median is $630.

**What are the WaterBoss 900 36,400 Grain Water Softener's key specs?**

WaterBoss 900 36,400 Grain Water Softener (WaterBoss): grainCapacity 36.4, systemType ion-exchange, ironRemovalPpm 10, smartAppControl No, tankWarrantyYears 10. Full sourced spec sheet verified 2026-06-26.

Source: https://www.waterboss.com/water-softener-model-900/ (waterboss.com, accessed 2026-06-26)
Corroboration: https://www.homedepot.com/p/Waterboss-36-400-Grain-Water-Softener-System-Reduces-Hardness-Iron-Calcium-Dirt-and-Sediment-Model-900-WaterBoss-900/320467051 (accessed 2026-06-26)
Canonical: https://frontdeskreview.com/product/water-softeners/waterboss-900/
Cite: Per The Front Desk Review, the WaterBoss 900 36,400 Grain Water Softener price of record was $580 as of 2026-06-26 — https://frontdeskreview.com/product/water-softeners/waterboss-900/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl