Water Regulations Approval Scheme Ltd

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WRAS Approval Number: #250302721

Range of non-verifiable double check valve assemblies, consisting of two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies models HVDCVC-31, HVDCVC-32 are chrome plated. Maximum working pressure 16 Bar Maximum operating temperature 60°C

Section:: 0034 Backflow Prevention Devices
Section Subtitle:: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
WRAS Approval Number:: 250302721
Basis of Compliance:: Tested to regulators Specification Test Code Sheets
Marking:: HVDCVC-31, HVDCVC-32 Airaga logo, CR, eco fil & flow arrow on body. Size on nut. Other models: Altecnic logo, flow arrow, size, pressure & CR on body. Models added September 2025: AI-903228 – Airaga logo, flow arrow, CR on body AI-903025 – Altecnic logo, flow arrow, CR, size on body
Installation Requirements:: R001
Expiry date:: 31/03/2030
Model:: HVDCV-21 (1/2" BSP (F) inlet/outlet) HVDCV-22 (¾” BSP (F) inlet/outlet) HVDCV-24 (1,1/4" BSP (F) inlet/outlet) HVDCV-25 (1,1/2" BSP (F) inlet/outlet) HVDCV-26 (2" BSP (F) inlet/outlet) HVDCVC-31 (15mm compression inlet/outlet) HVDCVC-32 (22mm compression inlet/outlet) Models added Sept 2025: HVDCVC-33 (28mm compression inlet/outlet) HVDCV-23 (1” BSP F inlet/outlet)

Approval Holder:: Herz Valves UK Ltd

Company Name
Herz Valves UK Ltd
Address
Unit 2B, Centurian Business Park Sturrock Way, Bretton Peterborough
Postcode
PE3 8YF

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WRAS Approval Number: #250504717

Range of double check valve assemblies, incorporating two spring loaded resilient trim in-line check valve cartridges housed in DZR brass bodies. Compression connection to be used with copper pipe EN1057. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.

Section:: 0034 Backflow Prevention Devices
Section Subtitle:: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
WRAS Approval Number:: 250504717
Basis of Compliance:: Tested to regulators Specification Test Code Sheets
Size:: See models.
Marking:: TS, flow arrow, size, CR, date of manufacture (MM-YY) casted on on body; EN1254-2, size: on compression nut.
Installation Requirements:: R001
Expiry date:: 31/05/2030
Model:: 86881 - 15mm, 61921 - 22mm.

Approval Holder:: Toolstation Ltd.

Company Name
Toolstation Ltd.
Address
Travis Perkins PLC Ryehill House Rye Hill Close Lodge Farm Industrial Estate Northampton
Country
United Kingdom
Phone
07392109053
General Email
benjamin.cockerill@travisperkins.co.uk

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WRAS Approval Number: #250715310

Section:: 0440 Headworks
Description:: A Range of Headwork(s) for installation into specifically dimensioned taps or shower valve bodies.
Brass body/bodies
Basis of Compliance:: Tested to regulators Specification Test Code Sheets
Installation Requirements:: R001
Expiry date:: 31/07/2030

Product Identification	Inlet Dimension	Max Wrk. Pressure	Max Op. Temp.	Marking	Marking Location	All metals in the water pathway are on the 4msi positive list	Headwork	Fixing Type
812003A	23.8mm	10 bar	85 °C	GAOAO	Body	No	1/4 Turn ceramic disk	Not Applicable
812038A	23.5mm	10 bar	85 °C	GAOAO	Body	No	1/2 Turn ceramic disk	Not Applicable
812049A	19mm	10 bar	85 °C	GAOAO	Body	No	1/2 Turn ceramic disk	Not Applicable
812056	18.3mm	10 bar	85 °C	GAOAO	Body	No	1/4 Turn ceramic disk	Not Applicable
812057	19.0mm	10 bar	85 °C	GAOAO	Body	No	1/4 Turn ceramic disk	Not Applicable
812072	24.3mm	10 bar	85 °C	GAOAO	Body	No	1/4 Turn ceramic disk	Not Applicable
812073	24.3mm	10 bar	85 °C	GAOAO	Body	No	1/4 Turn ceramic disk	Not Applicable
812114	18.5mm	10 bar	85 °C	GAOAO	Body	No	1/2 Turn ceramic disk	Not Applicable

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Approval Holder:: ZHEJIANG GAOAO SANITARY WARE CO.,LTD.

Company Name
ZHEJIANG GAOAO SANITARY WARE CO.,LTD.
Address
No.22 Yongda Road, Jiangkou Street, Huangyan District, Taizhou City Zhejiang Province
Postcode
318020
Country
China
General Email
2900324142@qq.com

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Manufacturers:: Zhejiang Gaoao Sanitary Ware Co., Ltd. Jiangkou Branch

WRAS Approval Number: #250815308

Section:: 0440 Headworks
Description:: A Range of Headwork(s) for installation into specifically dimensioned taps or shower valve bodies.
Plastic body/bodies
Basis of Compliance:: Tested to regulators Specification Test Code Sheets
Installation Requirements:: R001
Expiry date:: 31/08/2030

Product Identification	Surface finish	Inlet Dimension	Max Wrk. Pressure	Max Op. Temp.	Marking	Marking Location	All metals in the water pathway are on the 4msi positive list	Headwork	Fixing Type	Spout Outlet	Includes
SL15TA90 (Plastic)Red		BSP 1/2" (M)	16 bar	85 °C	Hent, WRAS	Body	No
SL15TA90 (Plastic)Blue		BSP 1/2" (M)	16 bar	85 °C	Hent, WRAS	Body	No

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Approval Holder:: Guangdong Hent Technology Co., Ltd

Company Name
Guangdong Hent Technology Co., Ltd
Address
No. 28 Pingsha Dadao Pingsha Industrial Area, Zhishan Town Heshan City 529729 Guangdong
Country
China

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Manufacturers:: Guangdong Hent Technology Co., Ltd.

WRAS Approval Number: #250912309

Section:: 0450 Combination Tap Assemblies
Description:: A Range of Single hole tap(s) with a single outlet and a fixed spout.
Deck mounted Capable of Achieving AUK3 Tap Gap IRN R160 only applies to model 824B
Basis of Compliance:: Tested to regulators Specification Test Code Sheets
Installation Requirements:: R001 R006 R010 R160
Expiry date:: 30/09/2030

Product Identification	Surface finish	Inlet Dimension	Max Wrk. Pressure	Max Op. Temp.	Marking	Marking Location	All metals in the water pathway are on the 4msi positive list	Headwork	Fixing Type	Spout Outlet	Includes
305B1	Chrome	M10，female	10 bar	60 °C	XINYA,WRAS	Body	No	Ceramic cartridge	C-plate	Aerator
824B	Chrome	M10，female	10 bar	60 °C	XINYA,WRAS	Body	No	Ceramic cartridge	C-plate	Open Outlet

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Approval Holder:: Guangzhou IAPMO Laboratory Co. Ltd

Company Name
Guangzhou IAPMO Laboratory Co. Ltd
Address
No.201, Building A, Yushu Industrial Park Science City Huangpu District Guangzhou
Country
China
General Email
Qiunan.Liang@iapmortl.org

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Manufacturers:: Taizhou Xinya Sanitary Ware Co., Ltd