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Holiday Offer: $480 off any whole-house water system, plus a free year of salt deliveryEnds December 24
Residential Water Filtration

Residential Water Filtration in Northern California

Chlorine you can smell in the shower, scale on the faucets, water that just tastes off. A whole-home system from RMZ treats your water where it enters the house, so every tap gets better water.

Water spraying from a rain showerhead
The basics

What is a whole-house water system?

It's a point-of-entry system. It goes on your main water line, right where water comes into your home, so every faucet, shower, washer and water heater gets treated water. A pitcher or an under-sink filter only helps at one faucet. A whole-house system works on all of them at once.

These systems do more than soften. The Puronics Hydronex iGen C and Defender iGen C filter for chlorine and chloramine and soften your water in a single tank, using ChloroShield Clearess media.

We don't sell from a product list. We size each system to your free in-home water test and your household, so it keeps up on busy mornings without being bigger than you need.

Think of it as the water for your showers, laundry and pipes. For the water you drink, we recommend reverse osmosis at the kitchen sink.

Short for trihalomethanes, the most common disinfection byproducts.

What are disinfection byproducts?

When the chlorine or chloramine your city adds meets natural organic matter in the water, it can form byproducts. The most common group is THMs. They evaporate easily, so they can end up in your shower steam as well as in your glass. The EPA limits total THMs in public water under its Disinfectants and Disinfection Byproducts Rules, and your city lists its levels every year in its water quality report. Bring yours to your free water test and we'll go over it with you.

Certified or made for it

What each system is made for, and what's certified

Each row shows whether it's a WQA certification or just what the media is made for. Your free water test shows which rows matter in your home.

NSF/ANSI Certified. The Water Quality Association tested it to that standard.

Made for it Made for it. What the media is built to do, without a certification for that claim.

Add-on Add-on. A second system, usually under the kitchen sink.

ConcernWhere it comes fromHow it's handled
From city water treatment
ChlorineAdded by cities to keep tap water safe on its way to you.NSF/ANSI 42 Hydronex iGen C, Defender iGen C and Clarius iGen C are certified for chlorine taste and odor.
ChloramineA longer-lasting disinfectant, chlorine plus ammonia, used by many cities.Made for it ChloroShield Clearess media in our whole-house systems is made for chloramine. This one isn't a certified claim.
Minerals and particles
Hardness (calcium, magnesium)Minerals water picks up from rock and soil. The cause of scale and white spots.NSF/ANSI 44 Softened by the Hydronex iGen C and Defender iGen C.
Barium and radium 226/228Found naturally in some groundwater.NSF/ANSI 44 The Hydronex iGen C is certified for these too.
Scale, without saltThe same hard water minerals, for homes that don't want a softener.Made for it Goodspring ScaleMax media helps keep minerals from sticking as scale. The water isn't softened.
Sediment and gritSand, grit and rust from older pipes and main breaks.Made for it The Clarius iGen C has a 5-micron sediment filter built in.
Drinking water, at the kitchen sink
Lead, arsenic, fluorideOlder plumbing and natural sources in some areas.Add-on · NSF/ANSI 58 Puronics Micromax 8500 reverse osmosis under your sink.
PFOA/PFOS and VOCsMan-made chemicals found in some water supplies.Add-on · NSF/ANSI 53 Puronics Micromax 8500 reverse osmosis under your sink.
Trace pharmaceuticals and BPATiny amounts that can reach water sources.Add-on · NSF/ANSI 401 Puronics Micromax 8500 reverse osmosis under your sink.
Private wells
Iron, manganese, sulfur smellWell water. Orange stains and a rotten egg smell.Well water system A setup built from your well test. See well water treatment.

Certified means the Water Quality Association tested the system to the NSF/ANSI standard shown. A certification lists what a system was tested for. It doesn't mean those things are in your water. Your free water test shows what is.

Signs your home needs more than a pitcher

  • A chlorine or "pool" smell when you shower
  • White spots on dishes, glasses and shower doors
  • Crusty scale on faucets, showerheads and kettles
  • Dry, itchy skin or dull, hard-to-rinse hair
  • Soap and shampoo that won't lather well
  • A water heater or dishwasher wearing out early
Recommended Systems

Whole-House Filters & Softeners

A filter handles chlorine and chloramine. A softener also gives you soft water. Your free water test shows which one your home needs.

Special offer: Get $480 off any whole-house water system, plus your first year of salt delivery free (the salt is a $119 value).

No salt · stainless steelPuronics Clarius iGen C whole-house chlorostatic water filter with stainless steel tank
WQA Gold Seal certified
Puronics · Whole-House Filter

Puronics Clarius iGen C

Whole-house chlorine and chloramine filtration with no salt, no potassium and no chemicals. It keeps the healthy minerals in your water, but it doesn't soften it.

  • WQA certified as a complete system to NSF/ANSI 42, and NSF/ANSI 372 lead-free compliant
  • ChloroShield Clearess chlorostatic media for chlorine and chloramine, rated for up to 4,000,000 gallons
  • Purifex filter media, an AltaPure 5-micron sediment filter and a silica gravel clarifier
  • 1-inch iGen digital control valve keeps 60 days of water-use history, runs built-in diagnostics and keeps an automatic reserve
  • Food-grade 316L stainless steel media tank
  • No salt, no potassium and no chemicals
Certified system, tank & mediaPuronics Hydronex iGen C whole-house water softener and filter with stainless steel tank and brine tank
WQA Gold Seal certified
Puronics · Whole House

Puronics Hydronex iGen C

Our top whole-house system. Softening and chlorine/chloramine filtration in one tank, so every faucet, shower and appliance gets soft, clean, better-tasting water.

  • WQA certified as a complete system, tank and media included, to NSF/ANSI 42, 44 and 372 (lead-free)
  • iGen digital control valve: 1-inch and corrosion-resistant, keeps 60 days of water-use history, double backwashes, runs built-in diagnostics and keeps an automatic reserve
  • ChloroShield Clearess chlorostatic media for chlorine and chloramine, rated for up to 2,600,000 gallons
  • High-capacity S-759 monosphere resin for soft water, plus a silica gravel clarifier
  • Three-piece tank: polyethylene liner, fiberglass layer and stainless steel outer cover
  • PushSeal fitting, float and distributor assembly and downflow brining. Works with salt or potassium
Certified media · EPA-registeredAmeriTek Hydronex 12 whole-house water conditioner with stainless steel tank and brine tank
WQA Gold Seal certified
AmeriTek · Puronics · Whole House

AmeriTek Hydronex 12

A whole-house conditioner built for city water with chloramine, chlorine and hardness, with silver-impregnated Hygene media in the filter bed.

  • Hygene media with silver-impregnated activated carbon, a bacteriostatic filter bed
  • Refiner stage made for water treated with chlorine and chloramine
  • High-capacity S-759 monospheric resin softens your water, and a silica gravel clarifier polishes it
  • Computerized control valve measures water use, recharges only when needed, keeps an automatic reserve and double backwashes
  • Three-piece tank: polyethylene liner, fiberglass layer and stainless steel outer cover. Works with salt or potassium. Made in the USA
Certified to NSF/ANSI 42, 44 & 372Puronics Defender iGen C whole-house water softener and filter with black fiberglass tank and brine tank
WQA Gold Seal certified
Puronics · Whole House

Puronics Defender iGen C

The same proven softening and chloramine filtration as the Hydronex, in a durable fiberglass tank, and WQA certified as a complete system.

  • WQA certified as a complete system to NSF/ANSI 42 and 44, and NSF/ANSI 372 lead-free compliant
  • iGen digital control valve: 1-inch and corrosion-resistant, keeps 60 days of water-use history, double backwashes, runs built-in diagnostics and keeps an automatic reserve
  • ChloroShield Clearess chlorostatic media for chlorine and chloramine, rated for up to 2,600,000 gallons
  • High-capacity S-759 monosphere resin for soft water, plus a silica gravel clarifier
  • Multi-layer tank: polyethylene liner with a durable fiberglass outer layer
  • PushSeal fitting, float and distributor assembly and downflow brining. Works with salt or potassium

See All Our Systems

Built to last

What owning one looks like

Media changes by gallons, not the calendar
Clearess media is rated for up to 2,600,000 gallons in the Hydronex, Defender and Goodspring, and up to 4,000,000 gallons in the Clarius.
It cleans itself
The iGen valve backwashes the media on its own and keeps an automatic reserve, so there's nothing to do day to day.
Salt, only on the softeners
The Hydronex and Defender use salt or potassium. We deliver a full year of salt for $119 and can load the tank. The Clarius and Goodspring use none.
Drinking water filters every 12 months
If you add reverse osmosis at the sink, its filters are changed every 12 months.
Financing
Financing available for up to 15 years.

From test to clean water

  1. 1

    Free in-home test

    We measure your hardness, chlorine and dissolved solids so we know exactly what we're treating.

  2. 2

    A system sized to your home

    We recommend a system matched to your water, your plumbing and how many people live with you.

  3. 3

    Set up for your water

    Your system is set up for your water, with salt delivery available after.

Why go with RMZ

Water is all we do. Every whole-home system we recommend starts with a test of the water in your own kitchen.

Book a Free Water Test

What you get with RMZ

  • A free in-home water test before we recommend anything
  • Offering whole-house water treatment systems powered by Puronics® technology, a trusted industry leader with nearly 80 years of engineering innovation since 1947.
  • thousands of homes served across Northern California
  • Puronics and AmeriTek systems, including WQA-certified Puronics softeners
  • Recommendations based on your test, and nothing you don't need
  • Softener salt delivered to your door
  • Open 7 days, 8am to 8pm · Hablamos Español

Our residential water filtration services

Whole-home filtration

One system at your main water line, set up for your water, so every tap, shower and appliance gets the same filtered water.

Filtration and softening in one

Many Northern California homes need both. Puronics Hydronex and Defender systems filter chlorine and chloramine and soften your water in a single tank.

Salt delivered to your door

For softeners, we deliver a full year of salt and can load the brine tank for you.

Questions about whole-home filtration

Will a whole-home system lower my water pressure?

A properly sized system shouldn't noticeably change your pressure. That's one reason we size every system to your home instead of using one size for everyone.

Do I need a softener or just a filter?

It depends on your water. If hardness is the main problem, you need softening. If it's mostly chlorine taste and smell, filtration may be enough. Many homes need both, which is why systems like the Puronics Hydronex combine them in one tank.

How much upkeep does it need?

Systems with softening need salt in the brine tank every so often. We deliver a full year of salt for $119 and can load it for you.

Have another question? Call or text (925) 421-5904, 7 days a week from 8am to 8pm.

Book your free water test

No cost, no obligation. We'll call or text to schedule.

Water source (optional)
Or call/text (925) 421-5904. We never share your info. Privacy

Better water from every tap

Book a free in-home water test and we'll show you what's in your water.

Financing available for up to 15 years

Free In-Home Water Test

Pick a day and time

This is a request. We'll call or text to confirm your time. See what the test includes