© Intatec Ltd 2013
22
IMPORTANT
IMPORTANT
The following information is required when the thermostatic mixing valve is used in a TMV2
Applications under the requirements of BS EN 1111: 1999 “Sanitary tapware – Thermostatic
Mixing Valve (PN 10) – General Technical Specification”
Supply Conditions
The supply conditions to the Thermostatic Mixing Valve must comply with the following;
Note:
Valves operating outside these conditions cannot be guaranteed by the Scheme to
operate as type 2 valves.
• The valves designation of use,
HP
tested against BS EN 1111.
• For valves designated for use HP only, if a water supply is fed by gravity then the supply
pressures should be verified to ensure the conditions of use are appropriate for the valve.
Introduction
The Inta range of thermostatic shower mixers have been specifically designed and manufactured
to meet the requirements of BS EN 1111: 1999, BS EN 1287: 1999 and TMV2 Type Scheme.
The valve has been independently tested and approved as a TYPE 2 valve under the Buildcert
TMV2 scheme by the NSF-WRc Limited/Buildcert Limited.
Application
The thermostatic shower mixer has been independently tested by WRc and certified as meeting
the requirements of the BS EN 1111:1999 and under the TMV2 Scheme as being suitable for
use on the following designations.
Shower
HP
Conditions
High Pressure ~ BS EN 1111
Maximum Static Pressure
10 bar
Flow Pressure, Hot & Cold
0.5 to 5 bar
Hot Supply Temperature
55 to 65˚C
Cold Supply Temperature
≤ 25˚C
Temperature Stability
± 2˚C
Min Temp Differential (Mix to Hot) for
fail-safe
10˚C
Max. Pressure Inlet Differential
5:1
