To further enhance the conformity of plumbing products with the GA requirements, the WSD implements a surveillance programme for GA products. For details, please refer to WSD Circular Letter No. 8/2017.
A Material Testing Laboratory was set up in April 2018 for testing the plumbing products. The Laboratory was accredited by Hong Kong Accreditation Service (HKAS) under Hong Kong Laboratory Accreditation Scheme (HOKLAS) on 11 August 2021 (the registration number assigned to the Laboratory is HOKLAS 301).
For GA products with product certification, WSD consider that the regular monitoring of the product quality in the product certification schemes serves the same purpose as the Surveillance Programme and hence will be considered as satisfying the surveillance requirement. GA plumbing products that satisfy the criteria in WSD Circular Letter No. 4/2019 will be considered as satisfying the GA surveillance requirement and will not be further sampled by WSD in the market for compliance monitoring purpose
Currently the following Product Certification Schemes to Scheme Type 5 in BS EN ISO/IEC 17067 are acceptable to WSD:
| Product Certification Scheme | Certification Body | Country | |
|---|---|---|---|
| (a) | BSI Kitemark |
BSI Group |
United Kingdom |
| (b) | Benchmark |
BSI Group |
Australia |
| (c) | Watermark |
Australia Building Codes Board |
Australia |
| (d) | DVGW |
German Technical and Scientific Association for Gas and Water |
Germany |
| (e) | N Mark |
AENOR |
Spain |
| Effective Date | Type | Brand | GA Letter | Surveillance Status |
|---|---|---|---|---|
| 15 August 2023 | Copper alloy fittings with end feed connection ends - Coupler - WMC 50 mm | Welson | C20210357 | GA Removed |
| 13 December 2022 | Stainless steel silent check valve - Fig. 290SS 40 mm | Empire | C20180281 | GA Removed |
| 4 September 2022 | Wall mounted sink mixer |
EXQ |
C20210153 | GA Removed |
| 20 July 2021 | Copper alloy globe valve - 25mm BRGL | Conex Banninger | B20190055 | GA Removed |
| 1 June 2021 | Copper alloy gate valve - 3/4" WGV-501C | Wealthmark | C20161141 | GA Removed |
| 29 March 2021 | (a) Brass compression ball valve - 15mm 619 | Tipo | C20161080 | GA Removed |
| (b) Brass compression ball valve - 15mm 611 | ||||
| 23 November 2020 | Copper-phosphorus brazing alloy - SILVERFOS2 | Saldflux | M20180007 | GA Removed |
| 6 July 2020 | Copper alloy equilibrium float valve -20mm 901BL | Pegler | C20180688 | GA Removed |
| 19 June 2020 | Float operated valve - 3/8" 2105 |
Hansbo |
C20160466F | GA Removed |
| Effective Date | Type | Brand | GA Letter | Surveillance Status |
|---|
Periodic summary of recent surveillance status is tabled below.
| Effective Date | Item | Type | Brand | GA Letter | Surveillance Status |
|---|---|---|---|---|---|
| 31 August 2023 | 1 | Copper fittings with solder ring connection ends - Tee - TC601 - 28mm | ecFIT | C20220100 | Pass |
| 2 | Copper fittings with solder ring connection ends - Tee - TC601 - 28x28x15 (mm) | ecFIT | C20220100 | Pass | |
| 3 | Copper fittings with solder ring connection ends - Bend - TC401 - 35mm | ecFIT | C20220100 | Pass | |
| 4 | Copper fittings with end feed connection ends - Bend - EF12 - 22x15 (mm) | Wednesbury | C20201183 | Pass | |
| 5 | Copper fittings with end feed connection ends - Tee - EF24R - 28x28x22 (mm) | Wednesbury | C20201183 | Pass | |
| 6 | Stainless steel pipes - Series 2 (316L) - 15mm | PCC | C20210653 | Pass | |
| 7 | Copper-phosphorus brazing filler metal (0620F) - 1/8" | Harris 0 | M20200015 | Pass | |
| 8 | Single lever kitchen mixer - 71861 - 3/8" | Hansgrohe | C20200379 | Pass | |
| 9 | Single lever kitchen mixer - PT207C - 3/8" | Franke | C20200782 | Under Compliance Test | |
| 10 | Single lever kitchen mixer - 0006A - 3/8" | Well Bloom | C20211012 | Pass | |
| 11 | Single lever basin mixer - 75022 - 3/8" | Hansgrohe | C20220152 | Pass | |
| 12 | Single lever basin mixer - RIN07YXX - 3/8" | Paffoni | C20220815 | Pass | |
| 13 | Single lever shower mixer - 40030 - 1/2" | La Torre | C20211207 | Pass | |
| 14 | Copper alloy angle valve - K01-234 - 1/2" x 3/8" | Plumbex | C20200166 | Pass | |
| 15 | Copper alloy loose jumper stop valve - 1211B - 20mm | PSV | C20210521 | Pass | |
| 16 | Stainless steel silent check valve - 1400 - 15mm | PSV | C20220756 | Pass | |
| 17 | Copper alloy gate valve - 1111 - 28mm | PSV | C20220092 | Pass | |
| 18 | Stainless steel gate valve - 1100 - 20mm | PSV | C20220757 | Pass | |
| 19 | Plastic float operated valve - FV120 - 1/2" | K&E | C20220599F | Pass | |
| 31 July 2023 | 1 | Copper alloy fittings with solder ring connection ends - Reducer - W2LC - 22x½" (mm x inch) | Wednesbury | C20220913 | Pass |
| 2 | Copper alloy fittings with solder ring connection ends - Bend - W14 - 28x1" (mm x inch) | Wednesbury | C20220913 | Pass | |
| 3 | Copper alloy fittings with solder ring connection ends - Tee - W30R - 22x22x½" (mm x mm x inch) | Wednesbury | C20220913 | Pass | |
| 4 | Copper fittings with solder ring connection ends - Bend - SR5090R - 28x22 (mm) | PM | C20211446 | Pass | |
| 5 | Copper fittings with solder ring connection ends - Tee - SR5130R - 28x28x22 (mm) | PM | C20211446 | Pass | |
| 6 | Stainless steel pipes - Series 1 (316) - 15mm | Holly | C20200367 | Pass | |
| 7 | Copper-phosphorus brazing alloy (GALFLO 5) - 2.0 x 500mm | Galflo | M20190004 | Pass | |
| 8 | Single lever sink mixer - WK-HG805 - 3/8" | Winkler | C20200256 | Pass | |
| 9 | Deck mounted single lever sink mixer - WR-501206-XX - 3/8" | Walrus | C20210207 | Pass | |
| 10 | Deck mounted single lever sink mixer - 50103.XXX - 3/8" | Gessi | C20220833 | Pass | |
| 11 | Single lever basin mixer - 36110 - 3/8" | AXOR | C20220095 | Pass | |
| 12 | Deck mounted single lever basin mixer - 33.537.670.XX - 1/2" | Dornbracht | C20220022 | Pass | |
| 13 | Bib tap - 3611-CP - 1/2" | Peterson | C20220750 | Pass | |
| 14 | Copper alloy Y-strainer - 1310B - 50mm | PSV | C20220167 | Pass | |
| 15 | Copper alloy angle ball valve - E8000 - 1/2" x 1/2" | Eurotermo | C20220120 | Pass | |
| 16 | Copper alloy check valve - JCH90 Type 2190 - 50mm | AVK | C20220917 | Pass | |
| 17 | Copper alloy angle valve - C408681 - 1/2" | Winkler | C20201162 | Pass | |
| 18 | Copper alloy gate valve - TYT-361 - 42mm | TYT | C20200848 | Pass | |
| 19 | Plastic float operated valve - B3863 - 1/2" | WDI | B20210029F | Pass | |
| 30 June 2023 | 1 | Copper fittings with end feed capillary - Tee - 5130 - 67mm | Eagle | C20210739 | Pass |
| 2 | Copper fittings with end feed capillary - Tee - 5130 R - 67x67x28 (mm) | Eagle | C20210739 | Pass | |
| 3 | Copper alloy fittings with compression end - End Cap - DEC323 - 28mm | Deco | C20201157 | Pass | |
| 4 | Copper alloy fittings with compression end - Bend - DEC401 - 28mm | Deco | C20201157 | Pass | |
| 5 | Copper alloy fittings with compression end - Tee - DEC601 - 28x28x28 (mm) | Deco | C20201157 | Pass | |
| 6 | Stainless steel pipes - Series 2 (316) - 28mm | Geberit | C20190260 | Pass | |
| 7 | Copper-phosphorus brazing filler metal, Stay-Silv®15 (15620F) | Harris | M20200017 | Pass | |
| 8 | Single lever sink mixer - D6007.X-II - 3/8" | RENÉ | C20210392 | Pass | |
| 9 | Wall mounted sink tap - 9283 - 1/2" | Fiore | C20211037 | Pass | |
| 10 | Single lever sink mixer - WK-MA805 - 3/8" | Winkler | C20220327 | Pass | |
| 11 | Wall mounted single lever bath mixer - WR-E157215-XX - 1/2" | Walrus | C20210850 | Pass | |
| 12 | Wall mounted shower mixer - 5A2020C0N - 1/2" | Roca | C20200313 | Pass | |
| 13 | Single lever basin mixer - 44508 - 3/8" | La Torre | C20190556 | Pass | |
| 14 | Copper alloy angle valve - 122SD-4 - 1/2" x 3/8" | FQR | C20201175 | Pass | |
| 15 | Stainless steel loose jumper stop valve - SV25SVC-4 - 25mm | HKS | C20220416 | Pass | |
| 16 | Stainless steel flexible joint - SF600 - 20mm | Tozen | C20220578 | Pass | |
| 17 | Copper alloy gate valve - ONLG2 - 1½" | ONDA | C20201022 | Under Compliance Test | |
| 18 | Stainless steel swing check valve - 1401 - 50mm | PSV | C20220283 | Pass | |
| 19 | Plastic float operated valve - 1372922 - 1/2" | Kohler | C20220666F | Pass | |
| 31 May 2023 | 1 | Stainless steel fittings with press ends connection (316) - Bend - Bend 90° - 22mm | Geberit | C20200539 | Pass |
| 2 | Stainless steel fittings with press ends connection (316) - Coupler - Coupling - 22mm | Geberit | C20200539 | Pass | |
| 3 | Copper fittings with end feed capillary - Bend - H-E01 - 35mm | Holly | C20211046 | Pass | |
| 4 | Copper fittings with end feed capillary - Coupler - H-C01 - 35mm | Holly | C20211046 | Pass | |
| 5 | Copper fittings with end feed capillary - End Cap - H-C03 - 35mm | Holly | C20211046 | Pass | |
| 6 | Copper fittings with solder ring connection ends - Reducer - YP1R - 35 x 28 (mm) | Yorkshire | B20200078 | Pass | |
| 7 | Silver-copper-phosphorus brazing alloy, Stay-Silv®5 (5620F5) | Harris | M20200023 | Pass | |
| 8 | Single lever sink mixer - WK-PR816H - 3/8" | Winkler | C20220221 | Pass | |
| 9 | Single lever sink mixer - 32661XX3 - 3/8" | Grohe | C20200710 | Pass | |
| 10 | Wall mounted single lever sink mixer - KV-83-12H - 3/4" | Kovic | C20220004 | Pass | |
| 11 | Single lever bath mixer - CY316 - 1/2" | Corona | C20200878 | Pass | |
| 12 | Single lever bath/shower mixer - K-97825T-XX-YY - 1/2" | Kohler | C20190545 | Pass | |
| 13 | Single lever basin mixer - 71755 - 3/8" | Hansgrohe | C20220301 | Pass | |
| 14 | Copper alloy angle valve - CP-22A - 1/2" x 1/2" x 1/2" | Kita | C20190619 | Pass | |
| 15 | Copper alloy pressure reducing valve - Eurobrass 143 - 2 inch | Malgorani | B20200025 | Pass | |
| 16 | Copper alloy angle valve - A80 - 1/2" | ARCO | C20210002 | Pass | |
| 17 | Copper alloy angle ball valve - S606 - 1/2" x 1/2" | RENÉ | C20210618 | Pass | |
| 18 | Copper alloy gate valve - WGV-501T-BZ (50mm) - 50mm | Wealthmark | C20190598 | Pass | |
| 19 | Plastic float operated valve - J43R - 1/2" | Meitu | C20211035F | Pass | |
| 30 April 2023 | 1 | Copper alloy fittings with compression end - Bend - 58X - 15x½" (mm x inch) | Prestex | C20190399 | Pass |
| 2 | Copper alloy fittings with compression end - Coupler - 40 - 15mm | Prestex | C20190399 | Pass | |
| 3 | Copper alloy fittings with compression end - Tee - 54 - 22mm x ½" | Prestex | C20190399 | Pass | |
| 4 | Copper alloy fittings with compression connection ends - Tee - OL150 - 28x28x22 (mm) | OPAL | C20210328 | Pass | |
| 5 | Copper alloy fittings with compression connection ends - Bend - OL139 - 28x22 (mm) | OPAL | C20210328 | Pass | |
| 6 | Stainless steel pipes - Series 1 (316L) - 22mm | Anpro | C20200744 | Pass | |
| 7 | Lead free solder wire (Lead Free) - dia : 3.25mm 500g | DKL | M20200018 | Pass | |
| 8 | Deck mounted single lever sink mixer - F3137/3-XX - 3/8" | Fima Carlo Frattini | C20210621 | Under Compliance Test | |
| 9 | Single lever sink mixer - SM181- 3/8" | EXQ | C20210014 | Pass | |
| 10 | Single lever sink mixer - WK-PR816A - 3/8" | Winkler | C20220220 | Pass | |
| 11 | Deck mounted sink tap - NO606G - 1/2" | EXQ | C20210834 | Pass | |
| 12 | Single lever basin mixer - LIF-100/SB-C/P - 1/2" | Vado | B20210017 | Pass | |
| 13 | Single lever bath/shower mixer - 33300XX2 - 1/2" | Grohe | C20200609 | Pass | |
| 14 | Copper alloy angle valve - D448894 - 1/2" | Winkler | C20201163 | Pass | |
| 15 | Copper alloy angle valve - 3094E - 1/2" x 1/2" | Genebre | C20220645 | Pass | |
| 16 | Copper alloy float valve - SH - 25mm | KKK | C20210622 | Pass | |
| 17 | Copper alloy loose jumper stop valve - 3227 (1½") - 1-1/2" | Genebre | C20201099 | Pass | |
| 18 | Copper alloy angle valve - R/61500 - 1/2" x 3/8" | DMP | C20211351 | Pass | |
| 19 | Plastic float operated valve - 2105-R - 3/8" | Hansbo | C20200505F | Pass | |
| 31 March 2023 | 1 | Copper alloy fittings with end feed connection ends - Coupler - N3 - 28mm x 1" | Endex | B20220007 | Pass |
| 2 | Copper alloy fittings with compression connection ends - Tee - 50 - 35mm | Wednesbury | C20220639 | Pass | |
| 3 | Copper alloy fittings with compression connection ends - Bend - 44 - 35mm | Wednesbury | C20220639 | Pass | |
| 4 | Copper alloy fittings with compression connection ends - Coupler - 40 - 35mm | Wednesbury | C20220639 | Pass | |
| 5 | Copper fitting with solder ring connection ends - Bend - SRREN - 22x15 (mm) | Kembla | C20220296 | Pass | |
| 6 | Copper pipes (Type X) - R250 - 28x0.9 | Holly | C20201125 | Pass | |
| 7 | Silver-copper-phosphorus brazing alloy (Phos 2) | Thessco | M20200011 | Pass | |
| 8 | Single lever sink mixer - S-016 - 3/8" | Schleich | C20190422 | Under Compliance Test | |
| 9 | Deck mounted sink mixer - MX072 - 1/2" | EXQ | C20210023 | Pass | |
| 10 | Single lever sink mixer - Cucina F7029-CR - 3/8" | Fima Carlo Frattini | C20210954 | Pass | |
| 11 | Single lever bath and shower mixer - 40020 - 1/2" | La Torre | C20200127 | Pass | |
| 12 | Deck mounted single lever basin mixer - 33.5YY.670.XX - 3/8" | Dornbracht | C20220082 | Pass | |
| 13 | Single lever mixer - MILA - 3/8" | Blanco | C20200758 | Pass | |
| 14 | Copper alloy angle valve - 52170699 - 1/2" x 1/2" | Schell | C20210475 | Pass | |
| 15 | Copper alloy angle valve - 500 - 1/2" x 10mm | PG | C20210864 | Pass | |
| 16 | Copper alloy angle valve - AV-44Y - 1/2" x 1/2" | EXQ | C20210823 | Pass | |
| 17 | Stainless steel expansion joint - UNSST(PN16) - 50mm | Master Bellows, China | C20211319 | Pass | |
| 18 | Copper alloy stop valve - TBI-101 - 3/4" | TBI | C20211142 | Pass | |
| 19 | Plastic float operated valve - 2107 - 3/8" | Hansbo | C20200444F | Pass | |
| 28 February 2023 | 1 | Copper alloy fittings with end feed capillary - Bend - H-FE01 - 22mm x 1/2" | Holly | C20220332 | Pass |
| 2 | Copper alloy fittings with end feed capillary - Coupler - H-MC01 - 28mm x 1" | Holly | C20220332 | Pass | |
| 3 | Copper alloy fittings with end feed capillary - Tee - H-FT01 - 22mm x 22mm x 1/2" | Holly | C20220332 | Pass | |
| 4 | Copper alloy fittings with compression end - Tee - 601- 22x22x15 (mm) | Tipo | C20190139 | Pass | |
| 5 | Copper alloy fittings with compression end - Coupler - 302 - 22x½" (mm x inch) | Tipo | C20190139 | Pass | |
| 6 | Copper alloy fittings with compression end - Bend - 401 - 22mm x 15mm | Tipo | C20190139 | Pass | |
| 7 | Lead free solder wire - 99C - 500G/R | Fernox FRY | M20200020 | Pass | |
| 8 | Single lever sink mixer - CD302 - 3/8" | Corona | C20200859 | Pass | |
| 9 | Deck mounted single lever sink mixer - 5A8360XXX - 3/8" | Roca | C20220715 | Pass | |
| 10 | Wall mounted sink tap - E00-2829 - 1/2" | Spenca | C20220149 | Pass | |
| 11 | Single lever bath mixer - 76420 - 1/2" | Hansgrohe | C20220013 | Pass | |
| 12 | Wall mounted single lever bath mixer - WR-511407-XX - 1/2" | Walrus | C20210355 | Pass | |
| 13 | Single lever basin mixer - EB-181 - 3/8" | Ebeau | C20190377 | Pass | |
| 14 | Copper alloy angle ball valve - LF-1806 - 1/2" x 1/2" | Ebeau | C20200176 | Pass | |
| 15 | Copper alloy gate valve - FR - 50mm | Kitz | C20210742 | Pass | |
| 16 | Copper alloy angle valve - CP-18A - 1/2" x 1/2" | Kita | C20220496 | Pass | |
| 17 | Copper alloy angle valve - BL-808A - 1/2" x 3/8" | Bellini | C20200772 | Pass | |
| 18 | Copper alloy ball valve - LL1041 - 1/2" | Double-Lin | C20210538 | Pass | |
| 19 | Plastic float operated valve - 1155348 - 1/2" | Kohler | C20220520F | Pass | |
| 31 January 2023 | 1 | Copper alloy fittings with solder ring connection ends - Coupler - H-SFC01 - 28 mm x 1 inch | Holly | C20220340 | Pass |
| 2 | Copper alloy fittings with solder ring connection ends - Bend - H-SFE01 - 22 mm x ½ inch | Holly | C20220340 | Pass | |
| 3 | Copper alloy fittings with solder ring connection ends - Tee - H-SFT01 - 15 mm x 15mm x ½ inch | Holly | C20220340 | Pass | |
| 4 | Copper alloy fittings with end feed capillary - Coupler - 4243G - 28 mm x 1 inch | Eagle | C20210580 | Pass | |
| 5 | Copper and copper alloy fittings with press fit connection ends - Coupler - 2415 - 35 mm | Viega | B20200049 | Pass | |
| 6 | Copper and copper alloy fittings with press fit connection ends - Bend - 2416 - 35 mm | Viega | B20200049 | Pass | |
| 7 | Silver-copper-phosphorus brazing alloy - Phos 5 | Thessco | M20200012 | Pass | |
| 8 | Single lever kitchen mixer - TX605KESBR - 1/2 inch | TOTO | C20210333 | Pass | |
| 9 | Deck mounted single lever sink mixer - 33.816.875.XX - 3/8 inch | Dornbracht | C20220455 | Pass | |
| 10 | Single lever sink mixer - 56502203 - 3/8 inch | Hansa | C20210226 | Pass | |
| 11 | Single lever basin mixer - 23450XX1 - 3/8 inch | Grohe | C20200509 | Pass | |
| 12 | Single lever basin mixer - SA99128/2-BSCR - 3/8 inch | Nobili | C20210185 | Pass | |
| 13 | Deck mounted three hole basin mixer - 20.713.8Y2.XX - 1/2 inch | Dornbracht | C20211440 | Pass | |
| 14 | Stainless steel expansion joint - JBF-304P - 32 mm | Tozen | C20220216 | Pass | |
| 15 | Copper alloy ball valve - SYF6510-31 - 25 mm | Eagle | C20211285 | Pass | |
| 16 | Copper alloy ball valve - TYT-506 - 15 mm | TYT | C20200953 | Pass | |
| 17 | Stainless steel ball valve - HWQ11F-16RDN25 - 25 mm | HW | C20190065 | Pass | |
| 18 | Copper alloy gate valve - TYT-301 - 15 mm | TYT | C20200839 | Pass | |
| 19 | Plastic float operated valve - C-3138 - 1/2 inch | Kims | C20210699F | Pass |