Softener and filter combo · Aquasure

Aquasure Harmony Series AS-HS70FMZ 70,000-Grain Water Softener and Filter System

70,000-grain softener for up to 6 people at 15 gpg

Updated October 2026

Quick verdict

A sound softener and filter combo for up to 6 people on 15 gpg water.

Strength
70,000-grain rating.
Trade-off
Service flow not stated.
Right buyer
Up to 6 people on 15 gpg water.
Grain capacity (maker)
70,000 grains
Household (maker)
4-6
Mesh
fine mesh
Material
Resin
Dimensions (seller)
13"L x 13"W x 57"H
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What it does for your water

The Aquasure Harmony Series AS-HS70FMZ 70,000-Grain Water Softener and Filter System is a softener and filter combo rated at 70,000 grains.

Grain ratings are full-salt figures. At an efficient salt setting its rating delivers about 52,500 grains between regenerations, enough for up to 6 people on 15 grains-per-gallon water regenerating weekly, or 4 on 25 grains per gallon. Size it to your own water.

It pairs the softener with a filter stage. Check what the filter stage is rated to reduce on the listing, and that its cartridge or media is easy to replace.

From the listing: features listed Programmable; mounting Whole House Water Tank; sized by the maker for 4-6; capacity stated as 160 lb; model AS-HS70FMZ; material Resin.

The listing gives dimensions of 13 in (L) x 13 in (W) x 57 in (H) and fine mesh water softener in the box.

Is it the right unit for your house?

Choose it when

  • Up to 6 people on 15 gpg water
  • Replacing an older softener

Pass on it when

  • More than 4 people on 25 gpg water
  • Iron above about 5 ppm without an iron filter

Where it wins and where it loses

Wins

  • 70,000-grain rating

Loses

  • Service flow not stated
  • Valve not named on the listing
  • Needs a drain and an outlet nearby
  • Adds some sodium; potassium chloride is the alternative

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 numberAS-HS70FMZRetailer
Features (seller)ProgrammableRetailer
Dimensions (seller)13"L x 13"W x 57"HRetailer
MaterialResinRetailer
Mounting / installationWhole House Water TankRetailer
MethodIon ExchangeRetailer
Model nameAS-HS70FMZRetailer
Grain capacity (maker)70,000 grainsRetailer
Household (maker)4-6Retailer
Meshfine meshRetailer

Units to weigh against it

Other water softeners in the catalog

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Final verdict

A sound softener and filter combo for up to 6 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.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions buyers ask

How many people is the Aquasure Harmony Series AS-HS70FMZ 70,000-Grain Water Softener and Filter System for?
At an efficient salt setting it delivers about 52,500 grains between regenerations: up to 6 on 15 gpg water, or 4 on 25 gpg, regenerating weekly. Iron adds load: each ppm counts as about 4 gpg.