It treats limescale. It is not a health device. · review
A 40,000-grain cabinet water softener certified to NSF/ANSI 44, using 50% less salt on metered mode.
IAPMO to NSF/ANSI Standard 44.
That is the American national standard for cation exchange water softeners, and certification means an accredited body has tested the product for what it claims — hardness reduction at a stated capacity and salt dose, no contaminants contributed, materials and structure sound.
It is a different order of claim from removes 99% of hard minerals, which is what most of this shelf offers.
Of the twelve listings here, two publish a certification: this one and its 60,000-grain sibling. Ten publish nothing at all — including all five Aquasures, AFWFilters, Kenmore, GE, EcoPure and PRO+AQUA.
And CSA B483.1 as well, which is the Canadian drinking-water-treatment standard.
The other thing this page does that nothing else on this shelf does: it puts numbers on the running cost.
50% less salt and 28% less water on metered operation mode compared to standard time-based regenerated softeners.
Salt is what a softener consumes for its whole life. A time-based unit regenerates on a calendar, exhausted or not. A metered one regenerates on consumption.
Kenmore calls its version artificial intelligence. EcoPure calls its AutoSense AI. Aquasure says saving hundreds of gallons.
Four makers describing the same idea. One of them tells you what it is worth.
43 in (1092 mm), in a cabinet — the resin tank inside the brine tank, one footprint.
Aquasure’s 48,000-grain tank is 62 in (1575 mm) and needs clearance above it for service.
That is the real architectural choice on this shelf. A cabinet fits under a stair or a low basement joist and is replaced whole. A two-tank system is taller, holds more salt, and lets you change the resin without changing the brine tank.
Eighteen dollars seventy-three a thousand grains, against $11.72 for Aquasure’s 64,000.
That is the price of the certification and the published figures, and whether it is worth it depends on how much you value having both in writing.
We recommend the optional pre-filter included with the Aquasana Softener Installation Kit sold separately.
Sediment and chlorine shorten resin life, Aquasana knows it, and the answer is another purchase.
Aquasure’s 48,000 and 50,000 grain models include a sediment, carbon and zinc pre-filter in the box. Add the kit to the sum before comparing prices.
Available at around $749.00 on Amazon.com when we checked on October 29, 2026, for delivery to a US address.
Stock and prices on Amazon.com move without notice; the button above opens the live listing.
Prices quoted in this text were read on October 29, 2026. The live price is at the top of the page.
Set against the median of its own shelf on this site — not against the whole bathroom market.
| Resin volume | NOT PUBLISHED. The method is ion exchange, stated for city or well water. |
|---|---|
| Stated capacity between regenerations | 40,000 grains, sized for up to 5 people and 4 bathrooms — $18.73 per 1,000 grains. IAPMO CERTIFIED to NSF/ANSI Standard 44 and to CSA B483.1, which only the two Aquasana units here are. |
| Regeneration type | Metered, on an LCD display. |
| Connection size | NOT PUBLISHED, and neither is a flow rate. A pre-filter is RECOMMENDED by the maker but SOLD SEPARATELY, in its installation kit. |
| Stated salt consumption | 50% LESS SALT on metered mode than a standard time-based softener, with 28% less water — the only salt and water figures on this shelf. |
| Footprint | 30 × 16 in (762 × 406 mm) of floor, 43 in (1,092 mm) tall — about 43 in — as a base tank and cabinet system. NO WEIGHT is published. Warranty 5/10-year limited, with telephone customer service and installation support. |
| Amazon reference | B0DCZX7G2Q |
| EAN | 0816749019148 |
It is the American national standard for cation exchange water softeners, and certification to it means an accredited body — here IAPMO — has tested the product for the thing it claims to do: reduce hardness, at a stated rated capacity and salt dose, without contributing contaminants of its own. It also covers material safety and structural integrity. That is a different and stronger claim than "removes 99% of hard minerals", which is what most of this shelf offers. Two of the twelve listings here publish a certification; ten publish nothing.
It is the running cost of the softener. Salt is what a softener consumes, bag after bag, for its whole life, and a time-based unit regenerates on a calendar whether the resin is exhausted or not. Metered operation regenerates on consumption instead. Aquasana publishes the figures — 50% less salt and 28% less water — which nobody else on this shelf does: Kenmore says "artificial intelligence", EcoPure says "AutoSense AI", Aquasure says "saving hundreds of gallons". All four may be doing the same thing; only one tells you how much.
Because sediment and chlorine shorten resin life, and Aquasana knows it: "We recommend the optional pre-filter included with the Aquasana Softener Installation Kit sold separately." That is honest about the need and awkward about the price. Aquasure’s 48,000 and 50,000 grain models on this shelf include a sediment, carbon and zinc pre-filter in the box. Factor the kit into the comparison.
Same category, nearby prices, between bathroom fittings. What remains is the specifications every one publishes — half empty, a column is no use.
| Model | Price | Resin volume | Stated capacity between regenerations | Regeneration type | Connection size |
|---|---|---|---|---|---|
| Aquasana SimplySoft 40K softener | $749 | NOT PUBLISHED. The method is ion exchange, stated for city or well water. | 40,000 grains, sized for up to 5 people and 4 bathrooms — $18.73 per 1,000 grains. IAPMO CERTIFIED to NSF/ANSI Standard 44 and to CSA B483.1, which only the two Aquasana units here are. | Metered, on an LCD display. | NOT PUBLISHED, and neither is a flow rate. A pre-filter is RECOMMENDED by the maker but SOLD SEPARATELY, in its installation kit. |
| Aquasure Harmony 64,000-grain softener | $750 | NOT PUBLISHED. The tank is fiberglass-lined polyethylene, stated corrosion resistant. | 64,000 grains, sized for 4 or more bathrooms — $11.72 per 1,000 grains, the lowest on this shelf. Against the maker’s own 32,000 model that is +32,000 grains for $226.70. | An automatic digital metered head with a programmable backlit display. | NOT PUBLISHED, and neither is a flow rate. |
| GE GXSH35W smart water softener | $699 | NOT PUBLISHED. | 35,000 grains, sized for up to 6 people — $19.97 per 1,000 grains, the second highest on this shelf after the Kenmore. | Metered, with built-in WiFi through the SmartHQ app: instant alerts on low, medium or high continuous flow, low salt reminders and a vacation mode. | 1 in connections with dual O-ring seals, and quick connectors fitting 3/4 in and 1-1/4 in. A custom bypass BLENDING valve sets the softness level or bypasses entirely — the only blending valve on this shelf. Remote whole-house leak shutoff needs the RMVALVESFT valve, SOLD SEPARATELY. |
| AFWFilters 48K Fleck 5600 SXT softener | $805 | 1.5 cu ft of 10% CROSSLINK — THE ONLY RESIN VOLUME AND THE ONLY CROSSLINK FIGURE ON THIS SHELF, and the maker states that 10% crosslink resists chlorine better than standard 8% media. It is the one line on this shelf that answers what the resin actually is. | 48,000 grains — $16.77 per 1,000 grains. | A Fleck 5600SXT valve — the only named industry valve on this shelf, and the only one a plumber could source parts for. | 1 in NPT inlet and outlet, with bypass and drain fittings included — the only published connection size on this shelf. |
This model is listed on Amazon.com, at ≈ $749 at the last reading. Listed is not the same as in stock: availability changes daily, and the buy box shows the live price.
Details checked on October 29, 2026.
A buyer who wants the certification and the running costs in writing, and will pay for both
Amazon reports what buyers took in the month before this page was last checked: at least 50.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet for bathroom fittings and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
48,000 grain softener · Fleck 5600SXT valve · 10 × 54 in tank, 1.5 cu ft of 10% crosslink resin
A 48,000-grain softener on a Fleck 5600SXT valve with 1.5 cu ft of 10% crosslink resin.
Best for: Anyone who intends to own this for fifteen years and wants to be able to buy parts for it
≈ $805
SimplySoft 60,000 grain · tank and cabinet · for 5+ people and 4+ bathrooms · NSF/ANSI 44 via IAPMO
A 60,000-grain cabinet water softener certified to NSF/ANSI 44, for homes of five or more people.
Best for: A large household that wants certification, published running costs, and a cabinet rather than a tower
≈ $1,049
Whole house water filtration bundle comprising a Harmony Series water softener, a triple purpose sediment, GAC and zinc pre-filter and a 75 GPD four-stage reverse osmosis system, for homes of 1-6 bathrooms and up to 8 people on city, municipal or well water; the title and description state 72,000 grains of hardness capacity while the first bullet states 48,000 grains; an automatic digital metered control head with a fully programmable backlit display and automatic regeneration and backwash; a high-strength corrosion-resistant fiberglass-lined polyethylene tank, a durable bypass valve and prefilled premium-grade resin; replacement RO filters recommended every 6-12 months; 30-day money-back with a 5-year extended manufacturer warranty and lifetime US-based technical support on activation online within 60 days
A whole house bundle of water softener, triple-purpose pre-filter and a 75 GPD reverse osmosis system.
Best for: A large house that wants scale protection and genuinely better drinking water in a single purchase
≈ $1,080
