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What a UL, ETL or CSA Listing Covers and How to Read the Label on a Walk-In Tub

A UL, ETL or CSA mark on a walk-in tub tells an inspector, an electrician or an owner that the equipment was evaluated against a published safety standard by an independent laboratory. Ella walk-in tubs are built to conform to UL Standard 1795 for hydromassage bathtubs and CSA Standard C22.2 No. 218.2, and the pumps, in-line heaters and other electrical components inside the tub are ETL certified and clearly marked. The label carrying the listing information, model and serial number sits inside the access panel on the front apron, on the seat side next to the door. This page explains what the words on that label mean, who the laboratories are, and what the marks do and do not cover.

Listed, Certified, Conforms: What Each Word Means

WordWhat it meansWhere it appears in Ella documents
ListedA laboratory evaluated the product against a named standard and authorized its mark, and the product can be looked up in the laboratory's public directory.The team calls the tub label the UL label, and Ella tubs can be looked up on the UL website.
CertifiedThe same idea as used by Intertek (ETL) and CSA Group: a certified component carries the mark and can be traced in the directory.Pumps, in-line heaters and electrical components are ETL certified; the HoistAssist sheet lists cETL from Intertek.
Conforms toThe product was designed and built to meet a named standard. This is the wording Ella uses for the whole tub."Conforms to UL STD 1795 Hydro Massage Tub and CSA STD C22.2 No. 218.2."

The full support answer, including a note on the LayDown 32x72, is in safety certifications on Ella tubs.

Who the Testing Laboratories Are

UL, Intertek and CSA Group are independent laboratories that publish or adopt safety standards and test products against them. In the United States, OSHA recognizes qualifying laboratories as Nationally Recognized Testing Laboratories, and UL and Intertek both appear on that list, which is why an inspector accepts a UL or ETL mark as evidence of third-party testing. The official program page is OSHA Nationally Recognized Testing Laboratory Program.

  • UL publishes UL 1795, the standard for hydromassage bathtubs, and runs the directory where Ella tubs can be looked up.
  • Intertek applies the ETL mark to products tested to published standards; the small "c" in cETL shows evaluation to the Canadian requirement.
  • CSA Group publishes the Canadian standards, including C22.2 No. 218.2 for the tub, B125.1 for faucets and B45.5 for plumbing fixtures.

Anatomy of the Label

The label inside your tub carries the listing information along with the model and the serial number, which typically begins with the letter M. Here is how to read it and the component marks in the equipment bay.

ElementHow to read it
The markThe laboratory's logo: UL, ETL or CSA. It identifies who did the testing.
Small "c" and "us" letters"c" means evaluated to the Canadian standard and "us" to the United States standard; both together means accepted in both countries. The HoistAssist sheet prints cETL and cUPC.
Standard numberThe standard the product was tested against, such as UL 1795 or CSA C22.2 No. 218.2 for the tub, or a plumbing standard such as CSA B125.1 for a faucet.
ModelIdentifies the product; the same model name is on your invoice or order confirmation.
Serial numberIdentifies your individual tub and tells the team when it was made and which parts fit.

To reach it, pull the magnetic access panel next to the door gently away from the frame from one corner and look on the inside of that panel; on some tubs the labels are mounted inside the large panel on the seat side of the front apron. Photograph the whole label. Both spots are shown in where to find your model and serial numbers, and the label itself is described in what the serial number label is.

The Standards Named in Ella Documents

ProductStandards and marks printedSource
Ella walk-in tubsConforms to UL 1795 and CSA C22.2 No. 218.2; pumps, in-line heaters and electrical components ETL certifiedLive certifications page and the electrical installation video
Ella 2-piece fast-fill faucetCertified to CSA B125.1, ASME A112.18.1 and ICC 117.1; ANSI/NSF 61/9; ADA lever handle; IAPMO R&T UPCFaucet section of the spec sheets, for example the Zen 30x52 sheet
HoistAssist (Transfer3060HL)cETL (Intertek); cUPC and USPC (IAPMO); ANSI Z124.1.2 for plastic bathtubs; ASME A112.19.7 for whirlpool appliances; ASME A112.19.15 for walk-in bathtubs; CSA B45.5 for Canadian plumbing fixturesHoistAssist spec sheet

A faucet from another manufacturer paired with an Ella tub carries that manufacturer's own markings and warranty. The HoistAssist is described in HoistAssist and the CareGiver assisted-bathing line.

What a Listing Does Not Cover

A listing describes the equipment as it left the factory. It does not describe your bathroom, wiring or plumbing, and it never replaces a licensed electrician or your local code.

  • Every jetted Ella tub needs its own dedicated GFCI protected circuit that no other appliance shares, with the breaker sized for the package installed; see electrical requirements by model.
  • The drain, supply lines and shut-off valves are installed to your local plumbing code by your plumber.
  • Whether a specific installation passes is decided by your local inspector. Ella can say what the tub conforms to and where the label is; the inspector and your installer decide the rest.

Share this video with an electrician who asks about listings: it shows that the components are ETL certified and labeled at the factory, then covers the dedicated GFCI outlets and correctly sized GFCI breakers the installation needs.

For Canada: CETL, CUPC and the CSA Standards

For a Canadian inspector, the line to give is that the tub conforms to CSA Standard C22.2 No. 218.2. On component and accessory marks, the small "c" beside ETL or UPC shows evaluation to the Canadian requirement. Ella faucets list CSA B125.1, and the HoistAssist adds CSA B45.5. Ella tubs are built for North American 120 volt, 60 Hz electrical service on dedicated GFCI protected circuits; if your project uses a different standard, discuss the electrical plan with your Ella dealer or the team at (800) 480-6850 before ordering. Canadian projects are covered in ordering from Canada, Alaska, Hawaii or internationally.

What to Have Ready for an Inspection

  • ☐ A clear photo of the whole label, showing listing information, model and serial number
  • ☐ The conformance line: UL Standard 1795 and CSA Standard C22.2 No. 218.2
  • ☐ A note that the pumps, in-line heater and electrical components are ETL certified and marked
  • ☐ The faucet specification page if the plumbing inspector asks about the faucet
  • ☐ The number of dedicated GFCI circuits your package requires

Ella does not routinely mail or fax a separate certificate, because the certification is printed on the tub and the tubs can be looked up on the UL website. One model to confirm before you pull a permit: the LayDown 32x72 has no published listing statement, so ask the team for its current listing status in writing before the inspection. If your permit office asks for more than a photo of the label, tell the team at (800) 480-6850 or through ellasbubbles.com/support exactly what is requested and they will tell you what can be supplied for your model.

Common Questions

What is the difference between UL listed and ETL certified?
Both mean an independent laboratory tested the product against a published safety standard. UL applies its own mark and directory; Intertek applies the ETL mark to products tested to published standards. On an Ella tub the whole tub conforms to UL 1795 and CSA C22.2 No. 218.2, while the pumps, heaters and electrical components carry ETL marks.
Where is the listing label on my Ella walk-in tub?
On the inside of the magnetic access panel next to the door on most models, or inside the large panel on the seat side of the front apron on some tubs. It carries the listing information, the model and the serial number, and a clear photo of it is normally all an inspector needs.
What do the small "c" and "us" letters next to a mark mean?
The "c" shows evaluation to the Canadian standard and "us" to the United States standard. When both appear, the product is accepted in both countries. The HoistAssist spec sheet prints cETL and cUPC, for example.
Does the listing mean my electrician can skip the dedicated GFCI circuit?
No. A listing describes the equipment as built and says nothing about the house wiring. Every jetted Ella tub still needs its own dedicated GFCI protected circuit, installed by a licensed electrician, and your local inspector has the final say.
Can I get a paper certificate for my inspector?
Not routinely, because the certification is printed on the tub label and the tubs can be looked up on the UL website. If your permit office needs more than a photo of the label, tell the team at (800) 480-6850 exactly what is being requested and they will tell you what can be supplied for your model.

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