When a homeowner asks for soft water, filtered water and better drinking water, it helps to have one manufacturer behind every answer. Aquonyx gives its dealers softeners, whole-home filtration and reverse osmosis systems that are made in America — built, filled, tested and packed at Aquonyx’s U.S. facility [1]. Aquonyx backs its systems with a written Lifetime Limited Warranty [2]. No joining or monthly fees. Your first order is one pallet.
Aquonyx designs its systems and sells them exclusively to approved independent dealers, never directly to homeowners [3]. Honest Water Filter, a plumber-founded company in Temecula, California, also sells only to authorized dealers and focuses on cartridge-based whole-house filtration [4][5][6]. Both companies keep the sale with the local professional, so the comparison below is about what each gives the installer.
Key takeaways
- Lineup. Aquonyx dealers can offer softeners, whole-home filtration and RO from one manufacturer [1]. Honest's line is cartridge-based filtration, including ultrafiltration, with an optional polyphosphate hard water solution and no ion-exchange softener listed [6].
- Entry terms. No joining or monthly fees. Your first order is one pallet. Applying is free [7]. Homeowner financing is available to apply for upon completion of the dealer agreement [8]. We found no published dealer fees, opening order or homeowner financing on Honest's public pages.
- Warranty. Aquonyx backs its systems with a written Lifetime Limited Warranty [2]. Honest's written warranty covers manifolds for the lifetime of the original purchaser and its Diamond Ultra system for 5 years; other systems carry one year [9].
- Support. Approved Aquonyx dealers get product and installation training, technical resources and a dealer portal for quotes and ordering [7].
Competitor information checked October 1, 2026. Sources listed at the end. Rechecked quarterly. Corrections: hi@aquonyx.com.
What did the homeowner ask for?
Pick the request. Each panel shows what the two lineups offer for it, from the product pages in Sources.
Lineup check
One brand for every answer?
Honest Water Filter
PartlyNo ion-exchange softener listed. Some systems offer an optional polyphosphate hard water solution, which is scale control, not softening [6].
Aquonyx
YesDiamond Soft ion-exchange softeners in three capacities, plus The Diamond filter/softener combo [3].
Honest Water Filter
YesCartridge-based whole-house systems from pre-filters to multi-cartridge units, and the Diamond Ultra ultrafiltration system; most labeled for municipal water [6].
Aquonyx
YesBlack Diamond whole-home carbon systems (coconut and catalytic) and The Diamond combo [3].
Who are Honest Water Filter and Aquonyx?
Honest Water Filter
Honest Water Filter was founded by a plumber with more than 44 years in the plumbing industry and more than 27 years in water treatment, who believes plumbers should offer and install water treatment [5]. Its systems borrow commercial filtration technology from the food service industry [10].
Honest sells only to authorized dealers; as the manufacturer, it does not quote pricing or sell directly to homeowners, and its dealers set their own prices [4]. Its line runs from pre-filters to multi-cartridge whole-house systems, the Diamond Ultra ultrafiltration system, an under-sink filter, specialty cartridges and a well application. Most systems are labeled for municipal water [6].
Aquonyx
Aquonyx designs water treatment systems and sells them exclusively to approved independent dealers, never directly to homeowners [3]. Its softeners, whole-home filtration and reverse osmosis (RO) systems are made in America — built, filled, tested and packed at Aquonyx’s U.S. facility [1]. Dealers run their own businesses under a written dealer agreement and handle their own sales, installation, service, licensing and insurance [7].
Honest Water Filter and Aquonyx side by side
Honest and Aquonyx both sell only through professionals and neither sells directly to homeowners [4][3]. The table compares the terms that matter most to a dealer building an installation and service business. "Not published" means we could not find the figure on a public page; we do not estimate it.
| What a new dealer needs | Honest Water Filter | Aquonyx |
|---|---|---|
| How you buy | Only as an authorized dealer. Honest does not quote pricing or sell directly to homeowners, and dealers set their own prices [4]. | Directly from the manufacturer. Aquonyx sells exclusively to approved independent dealers, never directly to homeowners [3]. |
| What you can sell | Cartridge-based whole-house filtration, Diamond Ultra ultrafiltration, an under-sink filter and specialty cartridges, with an optional polyphosphate hard water solution and a well application [6]. | Softeners, whole-home filtration and reverse osmosis systems made in America — built, filled, tested and packed at Aquonyx’s U.S. facility [1]. |
| Fees | Not published. | No joining or monthly fees. Your first order is one pallet. Applying is free [7]; website, CRM and card processing are optional add-ons [8]. |
| Startup | Not published. | Your first order is one pallet, bought at the wholesale price assigned after approval [7]. |
| Homeowner financing | Not published. | Available to apply for upon completion of the dealer agreement [8]. |
| Warranty and who backs it | Written warranty policy: manifolds for the lifetime of the original purchaser; Diamond Ultra system 5 years; other systems 1 year; small discrete parts 90 days; pre-filter elements excluded. Claims start through the SOS feature of Honest's app and need an RMA number. Backed by Honest [9]. | Written Lifetime Limited Warranty on Aquonyx systems, backed by Aquonyx as the manufacturer. Copy provided to prospective dealers on request [2]. |
| Private label | Not published. | Dealer-branded stickers come with your second order. Request them before placing that order to allow time for design and printing [8]. |
| Dealer support | Warranty claims run through the SOS feature of Honest's app [9]. Other dealer support: not published. | Product and installation training, technical resources, a dealer portal for quotes and ordering, a warranty claim workflow, and marketing materials where available [7]. |
Why dealers choose Aquonyx
One manufacturer for softening, filtration and RO
Aquonyx softeners, whole-home filtration and RO systems are made in America — built, filled, tested and packed at Aquonyx’s U.S. facility and arrive ready to install [1]. You can answer hard water, whole-home and drinking water questions with one brand.
A warranty the manufacturer backs
Aquonyx backs its systems with a written Lifetime Limited Warranty [2]. The system must be installed by an authorized Aquonyx dealer; ask for the full written terms before you sign.
A no-fee, one-pallet start
No joining or monthly fees. Your first order is one pallet. There is no application, enrollment or franchise fee [7], and the program lets you keep selling other brands [8]. Optional add-ons: a dealer website ($500 setup plus $20 a month), a CRM ($97 a month) and card processing (interchange plus 0.65%) [8]. None is required. Territory and channel rules are set in the written dealer agreement, so read it before you sign [7].
Financing for your customers
Homeowner financing is available to apply for upon completion of the dealer agreement [8]. Dealer payment and credit terms are set in the dealer agreement [7].
Your name on the system, and support behind you
Dealer-branded stickers come with your second order; request them before placing that order to allow time for design and printing [8]. You also get product and installation training, technical resources, and a dealer portal for quotes, ordering and order tracking [7], plus a free water softener sizing calculator [3].
Honest shares the view that homeowners should buy through a local professional [4]. If you are weighing it, ask for its dealer terms in writing so you can compare them line by line.
Frequently asked questions
What does it cost to start with Aquonyx?
Does Honest Water Filter sell an ion-exchange softener?
Can I sell Honest and Aquonyx?
Does Aquonyx charge a fee to become a dealer?
No. No joining or monthly fees. Your first order is one pallet. There is no application, enrollment or franchise fee [7]. Homeowner financing is available to apply for upon completion of the dealer agreement [8], you can keep selling other brands [8], and the written dealer agreement sets territory and payment terms [7].
Does Aquonyx offer a warranty?
Yes. Aquonyx backs its systems with a written Lifetime Limited Warranty [2]. The system must be installed by an authorized Aquonyx dealer; ask for the full written terms before you sign.
Become a dealer
Applying is free and approval is not automatic. Tell us about your business, your market and the systems you install today, and we will walk you through the written dealer agreement before you order. Questions first? Call or text (888) 295-3339 or email hi@aquonyx.com.
Apply to become an Aquonyx dealer →
Sources
- Aquonyx, Manufacturing (checked 10/1/2026)
- Aquonyx Lifetime Limited Warranty, document 3LLW-AQUONYX (9/26). Copy provided to prospective dealers on request from hi@aquonyx.com
- Aquonyx homepage and product catalog (checked 10/1/2026)
- Honest Water Filter, Pricing Policy, honestwaterfilter.com/pricing-policy (checked 10/1/2026)
- Honest Water Filter, founder biography page, honestwaterfilter.com/eric-brockmire (checked 10/1/2026)
- Honest Water Filter, Products, honestwaterfilter.com/products (checked 10/1/2026)
- Aquonyx, Become a Dealer (checked 10/1/2026)
- Aquonyx written dealer program terms (dealer agreement and program sheet). Available on request from hi@aquonyx.com
- Honest Water Filter, Warranty Policy, honestwaterfilter.com/warranty-policy (checked 10/1/2026)
- Honest Water Filter, About the Honest Water Filter Company, honestwaterfilter.com/about-the-honest-water-filter-company (checked 10/1/2026)
Honest Water Filter, Diamond Ultra, Titanium and Eco Elite are trademarks of their respective owners. Aquonyx is not affiliated with Honest Water Filter. Competitor information is taken from the public pages listed above on the date shown; if something has changed, email hi@aquonyx.com and we will correct it.