Shower product certifications help you compare suppliers, confirm market suitability, and reduce compliance risk. This guide explains the major European and North American requirements and shows the recognised certificates supporting our manufacturing capabilities.

Certification or standard	Primary market	Main product scope	What it evaluates
EU DWD	European Union	Products and materials contacting drinking water	Hygiene, migration, water quality, and material suitability
EN 1112	Europe	Shower heads and hand showers	Dimensions, leakage, strength, flow, hydraulics, and acoustics
EN 1113	Europe	Shower hoses	Connections, leakage, mechanical resistance, and hydraulic performance
CE	European Economic Area	Products covered by applicable EU harmonisation rules	Conformity with applicable legal requirements and technical documentation
REACH	European Union	Materials, coatings, plastics, rubber, and other articles	Restricted chemicals and substances of very high concern
NSF/ANSI 177	North America	Shower filtration systems	Free available chlorine reduction, materials, construction, and labeling
EPA WaterSense	United States	High-efficiency showerheads	Flow rate, spray force, spray coverage, and pressure performance
cUPC	United States and Canada	Plumbing fixture fittings	Applicable plumbing standards, product performance, and code compliance

European Shower Certifications and Standards

European buyers should evaluate product performance, water-contact hygiene, chemical compliance, and applicable legal documentation together. The required combination depends on your product, destination country, intended use, and sales channel.

 

EU Drinking Water Directive

The EU Drinking Water Directive establishes hygiene requirements for materials and products contacting water intended for human consumption.

• Relevant products: Faucets, valves, connectors, hoses, and other components contacting drinking water.
• Core requirements: Materials must not compromise health, affect taste, odour, or colour, promote microbial growth, or release unnecessary contaminants.
• Buyer value: It supports safer material selection and a clearer conformity route across the EU.
• Key development: Harmonised product conformity and “Suitable for Drinking Water” marking rules apply from 31 December 2026.

 

EN 1112 for Shower Heads and Hand Showers

EN 1112 is the main European product-performance standard for shower outlets used with sanitary tapware.

• Products covered: Fixed shower heads and handheld showers made from different materials.
• Performance areas: Dimensions, leaktightness, mechanical strength, hydraulic behaviour, flow rate, and acoustic characteristics.
• Buyer value: It helps you compare fit, function, leakage control, flow performance, and durability using common test procedures.

Our EN 1112 certificate covers listed shower-head models and provides European buyers with clear product-performance documentation.

 

 

EN 1113 for Shower Hoses

EN 1113 applies to shower hoses connected downstream of sanitary tapware. It creates a consistent technical basis for assessing hose construction and use.

• Products covered: Shower hoses used with bath and shower sanitary tapware.
• Performance areas: Connection dimensions, leaktightness, flow behaviour, pressure integrity, tensile resistance, and mechanical durability.
• Buyer value: It reduces compatibility and leakage risks when specifying a complete shower system.

Our EN 1113:2015 certificate covers a broad list of Leelongs shower-hose models.

 

CE Marking

CE marking indicates conformity with applicable EU harmonisation legislation. Manufacturers identify the relevant rules, complete conformity assessment, prepare technical documentation, and issue the required declaration.

• Product scope: Only products covered by legislation requiring CE marking.
• Documentation: Technical files, applicable standards, risk assessment, and an EU Declaration of Conformity.
• Market meaning: The product can move within the EEA under the applicable harmonised framework.

Our shower-head certificate references EN 1112:2008 and covers the models listed on the document.

 

REACH Chemical Compliance

REACH controls chemical risks in substances, mixtures, and articles placed on the EU market. It affects metals, plastics, rubber, coatings, adhesives, and packaging components.

• Main focus: Restricted substances and Candidate List substances of very high concern, or SVHCs.
• Key threshold: Communication and other obligations can arise when an article contains a Candidate List SVHC above 0.1% by weight.
• Buyer value: Material declarations and current supplier information reduce chemical-compliance risk.
• Ongoing control: Candidate List updates make supplier communication and material-change management essential.

For Leelongs, an independent report records a Pass conclusion after screening the submitted sample against 224 SVHCs listed under REACH at the report date.

 

North American Shower Certifications

North American buyers often combine filtration standards, water-efficiency certification, and plumbing-code listings. Each credential covers a different aspect of performance and market acceptance.

NSF/ANSI 177 for Shower Filters

NSF/ANSI 177 is the recognised standard for shower filtration systems designed to reduce free available chlorine for aesthetic effects.

• Products covered: Shower filters and replacement filtration elements.
• Performance areas: Chlorine-reduction performance, material safety, structural integrity, construction, labeling, and product literature.
• Buyer value: It gives brands a defined method for supporting chlorine-reduction claims.
• Selection point: Confirm the certified model, service cycle, flow rate, and authorised reduction claim.

An SGS report for a Leelongs shower-filter sample records free available chlorine reduction above 99.47% through the 1,000-gallon test point under NSF/ANSI 177-2023, at 6.8 L/min.

EPA WaterSense for High-Efficiency Showerheads

EPA WaterSense identifies showerheads that save water while meeting independently certified performance requirements.

• Maximum flow: No more than 2.0 gallons per minute.
• Performance areas: Flow across household pressures, spray force, spray coverage, marking, and labeling.
• Eligible products: Fixed showerheads, handheld showers, and rain showers that meet the applicable criteria.
• Buyer value: The label supports water-efficiency programs, retail selection, and project specifications.

Our IAPMO R&T WaterSense Certificate of Listing covers EPA WaterSense high-efficiency showerheads under file 29931.

cUPC for Plumbing Fixture Fittings

The cUPC mark is widely recognised by plumbing authorities in the United States and Canada. IAPMO R&T evaluates listed products against applicable North American standards and plumbing codes.

• Products covered: Faucets, showerheads, handheld showers, body sprays, and related plumbing supply fittings.
• Referenced framework: Uniform Plumbing Code, National Plumbing Code of Canada, and applicable ASME/CSA product standards.
• Performance focus: Materials, construction, connections, flow, leakage, pressure, durability, and marking requirements.
• Buyer value: A recognised listing supports product acceptance by distributors, project teams, and authorities having jurisdiction.

Our cUPC Certificate of Listing covers plumbing fixture fittings under IAPMO R&T file 29929 and references ASME A112.18.1-2024/CSA B125.1-24.

Why Shower Factories Need Certification

Certification turns general quality promises into measurable requirements. It helps your purchasing team compare suppliers using recognised performance, material, documentation, and market-access criteria.

• Lower sourcing risk: Identify unsuitable materials, flow rates, connections, or performance before bulk production.
• Faster review: Give importers, retailers, and project teams organised evidence for technical approval.
• Consistent production: Connect approved requirements to material control, inspection, testing, and change management.
• Stronger brand trust: Support product claims with recognised standards and traceable documentation.

How to Verify a Certified Shower Manufacturer

1. Define the destination market, product type, flow rate, materials, intended claims, and sales channel.
2. Request the certificate, covered model list, applicable standard, issue date, and validity period.
3. Check the issuing body and public product directory when an online listing is available.
4. Confirm whether custom finishes, flow regulators, filter media, packaging, or private-label changes affect the approved scope.
5. Include compliance documents, change notification, and final product testing in your purchase specification.

Certification Starts Continuous Improvement

At LEELONGS, we do not treat certification as the finish line. We use standards to guide raw-material inspection, moulding, assembly, water-function testing, surface assessment, packaging checks, and production records.

Our manufacturing and laboratory equipment includes injection moulding, ultrasonic welding, salt-spray testing, and water-pressure testing. These controls help us maintain repeatable performance from the approved sample to mass production.

When standards or buyer specifications change, we review materials, tooling, work instructions, testing, and documentation. This continuous improvement gives you clearer communication, controlled product updates, and more dependable repeat orders.

FAQs about Shower Product Certifications

Does one certificate cover every product from a factory?

Certificates normally identify a defined product category or model list. Match your selected product and any custom changes to the certificate scope before ordering.

Which certification should you request first?

Start with your destination market and product type. European shower products may involve EN standards, EU DWD, REACH, and applicable CE rules. North American projects commonly review WaterSense, cUPC, and NSF standards.

How should certification be included in an OEM project?

Define the target standard during specification development. Then align materials, components, flow rate, labeling, documentation, testing, and change control before approving the final sample.

We have manufactured shower products since 2001 and support global OEM/ODM buyers with recognised certifications, structured quality control, and market-focused documentation. Explore our shower products or contact us to discuss your target market and certification needs.