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A digital mixing valve offering programmable, maximum, minimum and default temperatures, duty flush and thermal disinfection with data logging capabilities.

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Standard product features

Shower T3:

A concealed digital mixing valve for showers, supplied complete with programmable software, power supply, check valves and strainers.

The system incorporates a wall mounted control panel offering infra-red 'no-touch' controls for flow and temperature adjustment and programmable timed flow control.

Shower Kit T3:

Specification as above but with vandal resistant shower fitting for connection to concealed pipework, supplied with a 9 litres/minute flow regulator.


  • Temperature selector: Full 'no-touch' temperature control.
  • Flow control: No-touch on/off.

A Pocket PC is required to adjust factory settings, retrieve data, configure duty flush and disinfection cycles. The programmer software supplied is designed to run on Microsoft Pocket PC 2002 and Microsoft Windows Mobile (for pocket PC's).


  • Control panel cover: Chrome plated ABS.
  • Mixing unit enclosure: PC/ABS.
  • Integral components: DZR brass, stainless steel and engineering plastic.

Temperature Range

  • Factory pre-set minimum temperature: 30ºC.
  • Factory pre-set maximum temperature: 41ºC.
  • Default temperature: 38ºC.
  • Minimum blend temperature differential from hot supply: 2ºC.
  • Optimum thermostatic control range: 30ºC to 50ºC.
  • Cold water range: 1ºC to 20ºC.
  • Hot water range: 50ºC to 65ºC (85ºC during disinfection).

Programmable Temperature Range

Minimum temperature: 30ºC to 47ºC.

Maximum temperature:35ºC to 50ºC.

Default temperature: 30ºC to 50ºC.


  • Maximum static pressure: 10 bar.
  • Minimum pressure loss: 0.2 bar.
  • Hot and cold pressure should be nominally equal. (Maximum differential either way 3:1).

Flow rate:

  • Minimum flow rate: <5 bar: maintained pressure 6 litres/minute.
  • >5 bar: maintained pressure 8 litres/minute.


  • Ambient temperature: 1°C to 40°C.
  • Maximum relative humidity: 95% non-condensing.

IP rating:

  • Control panel: IP47.
  • Overall valve enclosure: IP24.
  • Electronics compartment: IP45.
  • PSU: IP45.


  • Supply voltage: 100-240V RMS 50-60Hz.
  • Maximum load: 20W at 12V DC.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-35-70/335 Shower mixers

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying





+44 (0)844 571 1777

Product reference

[Rada Shower T3 (1.1503.682)]
[Rada Shower Kit T3 (1.1503.706)]

Manufacturer details

Rada - a Kohler company ,
Cromwell Road,
Gloucestershire, GL52 5EP
Tel +44 (0)844 571 1777
Fax +44 (0)844 472 3076
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