WaterMark Product Search
You can search the WaterMark Product Database to check if a plumbing or drainage product has been certified under the WaterMark Certification Scheme, which ensures the product is fit for purpose and authorised for use in plumbing and drainage systems.
If you’re having trouble finding your product, try the advance search options to search specifically for the Licence/Certificate Number; Model ID; Model Name; Brand Name; Product Type; Specification or Licence Holder.
Licence/Certificate Numbers are a 6 digit number, e.g if you have a 4 digit Licence Number you need to add 00 at the start - 001234.
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Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW02 6340
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW02 6350
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW022016
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW022620
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW023220
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW03 323232
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW03 404040
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW03 505050
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW03 636363
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW03202020
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 323225FI
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 323225MI
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 323225PEX
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 403232
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 403240
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 404025FI
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 404032
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 404032FI
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 505020FI
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 505025FI
Model Name
Duopex WATER
Brand
DUOPEX
Active Product
Authorised Product, Safe to install
Licence: 022149 Exp: 22/02/2026
Model ID
DPW04 505032
Model Name
Duopex WATER
Brand
DUOPEX