SALTCELLCHECK Find my model

Where you buy it changes what you own

Four manufacturers, four different answers. One excludes internet purchases from its warranty outright, one keeps the warranty but cuts it to a year, one splits its catalogue into an online line and a shop-only line, and one publishes no channel restriction at all.

Checked 63 manufacturer manuals on file Manufacturer warranty and support pages, captured 2026-07-25 Spot an error?

The part is only half of what you are buying. The other half is the paperwork behind it, and the paperwork changes with the channel. This page publishes what each manufacturer states about that, in its own words, and nothing about any individual seller.

Channel policy, by manufacturer

What 4 manufacturers publish about buying their equipment online or outside an authorized channel. Verbatim, from pages captured on 2026-07-25.

Brand What the manufacturer publishes What it means for you
CircuPool

Nearly all products sold on circupool.com, by CircuPool USA, or by its authorized dealers carry a manufacturer warranty.

 No channel restriction is published at all, which is consistent with a maker that sells direct.
Hayward

Open Line products are approved for sale online and via brick-and-mortar locations.

Expert Line products are approved for sale only via brick-and-mortar locations.

Because Hayward cannot control the quality of products sold by unauthorized sellers, our limited warranties apply only to a product that was purchased from Hayward or a Hayward authorized seller, unless otherwise prohibited by law.

 The catalogue is split. Check which line your part number belongs to before you judge a listing.

This is the line the quotation beside it says is approved for online sale, so a listing for it is not a listing against the maker.

Check current prices on the W3 open-line cell

Goes to Amazon, searched for the W3 part number, which is the line Hayward states is approved for online sale.

Jandy

This Jandy Limited Warranty does not apply to Jandy branded products purchased through the Internet or other e-commerce platforms, with the exception of Jandy branded valves less than three (3) inches in diameter, parts, and pool product accessories.

 An online purchase of a branded product is outside the warranty. The exceptions are named, and a replacement cell is not clearly in them.
Pentair

Products purchased from the internet, including Authorized Pentair Online Resellers, receive a one-year parts only warranty from the date of purchase.

The products must be purchased from a brick-and-mortar retailer, pool builder, or pool service professional in order to qualify for the bundled warranty.

 An online purchase is covered, for one year, parts only.

Buying it online is covered on the terms quoted beside this, one year, parts only. If that trade is acceptable to you, this is the door.

Check current prices on the IntelliChlor IC40

Goes to Amazon. Pentair states an internet purchase carries one year, parts only, rather than the bundled term.

saltcellcheck.com /Manufacturer warranty and support pages /verified

What this page will never tell you

It will never say a named seller or a named listing is legitimate. Listings change weekly, this site is re-checked monthly, and an assurance that cannot be maintained is worse than no assurance at all when several hundred dollars is riding on it. Nobody here has inspected a unit from any seller.

What is publishable is the manufacturer's own rule and the check you can run yourself in two minutes, which is what the rest of this page is.

The two-minute check before you pay

  1. Read the part number on the box, not the listing title.

    On Hayward the prefix decides the terms. Open Line parts, the W3 numbers, are approved for online sale. Expert Line parts are not, and a listing selling one online is selling something its maker did not approve for that channel.

  2. Ask where the seller sits before you compare prices.

    Pentair keeps a warranty on an internet purchase but cuts it to one year parts only, so the cheaper online price and the shop price are not the same product on paper.

  3. On Jandy, treat an online purchase as a coverage question, not a price question.

    The limited warranty excludes Jandy branded products bought through the internet, with exceptions for small valves, parts and accessories. Whether a replacement cell is an excluded product or an included part is exactly the ambiguity to resolve with the seller before paying.

  4. Keep the receipt, and photograph the date code on the cell.

    More than one manufacturer in this category falls back to the manufacturing date code when a buyer cannot produce proof of purchase, and a date code is always earlier than the day you bought it. That difference comes out of your coverage.

  5. Register the product where registration adds time.

    Registration is not required for base coverage on the brands checked here, but where a maker offers extra months for registering, the months are free and the window is short.

Then decide

Whichever way you go, the listing matters as much as the part. The honest math on OEM against generic is here.

Run the check, then go

These are the manufacturers own dealer lists, which are the lists their warranty language refers to. Nobody here has inspected any seller on them.

You know which line your part number is on and what the channel does to your coverage. Check the seller against the makers own list before you pay.

Find a Hayward dealer near you

Goes to Hayward's own dealer locator, which is the list its warranty language refers to.

You know which line your part number is on and what the channel does to your coverage. Check the seller against the makers own list before you pay.

Find a Pentair dealer near you

Goes to Pentair's own dealer locator.

The questions people actually ask

What people ask with a cart already open in another tab.

Is it safe to buy a salt cell on Amazon?

This site will never tell you a named seller or listing is legitimate, because listings change weekly and it is re-checked monthly. What it can tell you is what the manufacturer says about the channel: on Jandy an internet purchase of a branded product falls outside the limited warranty, and on Pentair it drops to one year, parts only.

How do I know if a salt cell is genuine?

Check the part number on the box against the manufacturer's own line, not against the listing title, and check the seller against the maker's current dealer list before you pay. Nobody here has inspected a unit from any seller, so those two checks are yours to run and they take about two minutes.

Is a cheaper online price actually cheaper?

Not always, and the difference is on paper rather than in the box. Pentair keeps a warranty on an internet purchase but cuts it to one year parts only, so the shop price and the online price are not the same product once coverage is counted. On Hayward the answer depends on which line your part number belongs to.

What is the difference between Hayward Open Line and Expert Line?

Hayward publishes that Open Line products, the W3 numbers, are approved for sale online and in stores, while Expert Line products are approved for sale only through brick-and-mortar locations. The two lines also carry different warranty terms, which is why the part number on the box decides more than the listing does.

How the Hayward lines differ

Does the manufacturer publish a list of authorized sellers?

Hayward and Pentair both run dealer locators, and Pentair names a category called Authorized Online Resellers without publishing a list of who they are. CircuPool publishes no authorized-dealer list at all, which is consistent with a maker that sells direct.

This is a reading of published documents, not legal advice. The manufacturer decides claims, and the document that came with your part is the one that governs it.