Criteria for: Efficient Showers, Thermostatic Controlled Showers

Thermostatic Controlled Showers

To be eligible for inclusion on the Water Technology List the device must meet the following criteria:

A thermostatic mixing valve that enables the control of water flow and temperature, either via a single control device or separate control devices, and is approved by the TMV3 scheme with E designation.

The applicant must supply details of suitable shower sets to ensure safety and functionality for use with the TMV3 thermostatic mixing valve for which the application is made.  Details of the range of sets will be included with the valve’s description on the Water Technology List.  A complete shower set (or equivalent) consists of the following parts: the showerhead, rail or holder, a flexible hose or fixed riser pipe and a shut off thermostatic mixing valve.

Manufacturers should apply to Defra with evidence that their products meet these criteria in order to appear on the Water Technology List.