Water Regulations Approval Scheme Ltd

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WRAS Approval Number: #250608303

Section:: 2011 Shower Valves
Description:: A Range of Shower valve(s) with thermostatic temperature control, incorporating a manual diverter between outlets.
Wall Mounted Concealed Undefinable Air Gap – See IRN’s Incorporates a check valve cartridge (however the complete assembly has not been tested to demonstrate it provides backflow protection)
Basis of Compliance:: Tested to regulators Specification Test Code Sheets
Installation Requirements:: R001 R020
Expiry date:: 30/06/2030

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	Spout Outlet
GUTH72	1/2"	6 bar	65 °C	Waterworks	Body	No	Not applicable	Not Applicable	Not Applicable
GUTH73	1/2"	6 bar	65 °C	Waterworks	Body	No	Not applicable	Not Applicable	Not Applicable
GUTH62 *	1/2"	6 bar	65 °C	Waterworks	Body and tile guard	No	Not applicable	Not Applicable	Not Applicable
GUTH63 *	1/2"	6 bar	65 °C	Waterworks	Body and tile guard	No	Not applicable	Not Applicable	Not Applicable

Notes & Further Information: Product Identification(s) with an * as suffix = models added 11/08/2025

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Approval Holder:: Waterworks Ltd

Company Name
Waterworks Ltd
Address
60 Backus Ave. Danbury
Postcode
CT06810
Country
United States
Phone
2035466207
General Email
mary.kimlinger@waterworks.com

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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: #250302722

Floguard range of in-line non-verifiable double check valve assemblies consisting of a spring loaded resilient trim single check valve cartridge housed within a DZR brass body (FLOW230002 model is nickel plated). Compression models are for use with copper pipe (manufactured to BS EN 1057). Maximum working pressure: 16.0 Bar Maximum operating temperature: 65°C

Section:: 0034 Backflow Prevention Devices
Section Subtitle:: SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.
WRAS Approval Number:: 250302722
Basis of Compliance:: Tested to regulators Specification Test Code Sheets
Size:: See model.
Marking:: Reliance Worldwide Corporation ‘R’ logo, flow arrow, CR & size on body
Installation Requirements:: R001
Expiry date:: 31/03/2030
Model:: 440 00 04 Double Check Valve - 15mm compression inlet/outlet 440 00 08 Double Check Valve - 28mm compression inlet/outlet 440 01 04 Double Check Valve - ½” BSP (F) inlet/outlet 440 01 06 Double Check Valve - ¾” BSP (F) inlet/outlet 440 01 08 Double Check Valve - 1” BSP (F) inlet/outlet 440 01 10 Double Check Valve - 1¼” BSP (F) inlet/outlet 440 01 12 Double Check Valve - 1½” BSP (F) inlet/outlet 440 01 16 Double Check Valve - 2” BSP (F) inlet/outlet

Approval Holder:: Oventrop UK Limited

Company Name
Oventrop UK Limited
Address
Oventrop House Unit 11 Hatch Industrial Park Greywell Road Hatch Basingstoke
Postcode
RG24 7NG
Country
United Kingdom
Phone
+44 (0) 1256 330 441
General Email
mikewise@oventrop.co.uk

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Manufacturer:: Reliance Worldwide Corporation

Company Name
Reliance Worldwide Corporation
Address
Horton Road, West Drayton
Postcode
UB7 8JL
Country
United Kingdom
Phone
+44 7730 052060
General Email
PETER.LANCASTER@RWC.COM

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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: #250815302

Section:: 0440 Headworks
Description:: A Headwork(s) for installation into specifically dimensioned taps or shower valve bodies.
Plastic body Incorporates diverter function
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
30D-9		29.91mm	10 bar	85 °C	WANHAI, WRAS, 30D-9, Production date (DD/MM/YYYY)	Body	No

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Approval Holder:: Ningbo Wanhai Cartridge Technology Co. Ltd.

Company Name
Ningbo Wanhai Cartridge Technology Co. Ltd.
Address
Xiachen Development Zone, Chunhu, Fenghua
Country
Zhejiang, China

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Manufacturers:: Ningbo Wanhai Cartridge Technology Co