All water fittings such as flushing cisterns, flush valves, pipes, pipe fittings, taps, valves, for the use in potable water service installations in Singapore shall comply with the standards and requirements stipulated by PUB. Prior PUB approval for the water fittings is not required. It is the responsibility of suppliers, retailers and installers to ensure compliance to the Public Utilities (Water Supply) Regulations and the Singapore Standard CP48 : Code of Practice for Water Services. 

To access the standards and requirements stipulated by PUB for the various water fittings, download​​ Standards for Fittings [PDF]​

PUB reviews the standards and requirements regularly to allow for innovation and changes in technology and to ensure relevance.

If standards and requirements for a water fitting are not stipulated, the supplier, retailer or installer can contact PUB at:

Inspectorate Branch
Water Supply (Network) Department
PUB
40 Scotts Rd #10-01
Environment Building
Singapore 228231

Telephone:
65172934 / 65172932 / 65172928 / 65172925 / 68852972
Fax:
67313023
E-mail:
pub_waterfittings@pub.gov.sg

Any clarification or feedback can also be directed to the above address.

A water fitting shall be deemed to comply with the stipulated standards if it is certified or tested as complying with such standards by a conformity assessment body (product certification body/testing laboratory) accredited by the Singapore Accreditation Council (SAC) or its Mutual Recognition Arrangement (MRA) partners.