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Fittings and Standards

Requirements for Water Fittings

All water fittings such as pipes, pipe fittings, valves, water storage tanks, taps and mixers, dual-flush low capacity flushing cisterns, flush valves, etc. for use in potable water service installations in Singapore shall be tested to comply with the standards and requirements stipulated by PUB before they can be offered, displayed or advertised for sale and installation in Singapore. The water fittings shall be supported with valid and complete test reports.

Click here to learn more about the Standards and Requirements stipulated by PUB for the various water fittings [PDF]. 

Mandatory Water Efficiency Labelling Scheme (MWELS)

Water fittings such as taps and mixers, dual-flush low capacity flushing cisterns and urinal flush valves/waterless urinals are required to be labelled under the Mandatory Water Efficiency Labelling Scheme (MWELS) before they can be offered, displayed or advertised for sale and installation in Singapore. Click here to learn more about MWELS.

Compliance with PUB’s stipulated standards and requirements
   

To safeguard public health, compliance to the stipulated standards and requirements is necessary to ensure that the water fittings do not have any adverse impact on water quality, cause water contamination or lead to water wastage and also to ensure their integrity and reliability

Suppliers, retailers, homeowners, consumers, sellers, importers, parallel importers, sole agents, distributors, wholesalers, manufacturers and installers shall ensure that the water fittings have been tested for compliance in accordance with PUB’s stipulated standards and requirements.

Requirements on advertisements

No person shall advertise a water fitting for supply unless the water fitting has been tested for compliance with the standards and requirements stipulated by PUB.  This applies to all water fittings.

In the case of water fittings and appliances (i.e. clothes washing machines and dishwashers intended for household use) covered under the Mandatory Water Efficiency Labelling Scheme (MWELS), no person shall advertise the water fitting and appliance unless it is registered under the MWELS. 

The requirements for sale and supply of water fittings and appliances apply to physical retail shops / suppliers’ showrooms including online portals or resellers, as long as the fittings are for supply (i.e. display, offer-for-sale, advertise, loan, lease, consignment, hire or hire-purchase) in Singapore.

Surveillance
PUB conducts checks and surveillances on both physical premises supplying water fittings as well as online portals, and will not hesitate to take strict enforcement action against parties who do not comply with PUB’s requirements and regulations.
Consumer Advisory

Consumers should look out for the WELS labels when purchasing water fittings and appliances in any retail shops or from online portals/platforms.

Consumers should only purchase compliant water fittings because using non-compliant fittings may pose a risk to the water quality, lead to water wastage and affect the reliability/durability of the water fittings, which in serious cases, may lead to water contamination. There may be serious health impacts from drinking contaminated water.

We strongly encourage the public to report any non-WELS rated or non-compliant water fittings to PUB at pub_waterfittings@pub.gov.sg.​

Plumbing Works

All plumbing works except simple plumbing works shall be carried out by licensed plumbers. Licensed Plumbers are licensed by PUB to ensure they maintain good standards of plumbing work. They have to adhere to technical requirements, safety, water quality and water conservation guidelines set by PUB when carrying out works in any premises. Unlicensed plumbers carrying out poor plumbing practices can cause potable water quality to deteriorate

Click here for more information on Licensed Plumbers