Conditions of use for Type 2 (Thermostatic mixer) valves
Conditions of use for Type 2 (Thermostatic mixer) valves
Conditions of use for Type 2 (Thermostatic mixer) valves
Conditions of use for Type 2 (Thermostatic mixer) valves
High Pressure
Low Pressure
Maximum Static Pressure (Bar)
10
10
Flow Pressure, Hot & Cold (Bar)
0.5 to 5
0.1 to 1.0
Hot Supply Temperature (ºC)
55 to 65
55 to 65
Cold Supply Temperature (ºC)
Equal to or less than 25
Equal to or less than 25
Note:
Note:
Note:
Note: Valves operating outside these
conditions cannot be guaranteed by the
Scheme to operate as Type 2 valves.
If a water supply is fed by gravity then the
supply pressure should be verified to ensure
the conditions of use are appropriate for the
valve.
Warning: It is not a safe bathing
Warning: It is not a safe bathing
Warning: It is not a safe bathing
Warning: It is not a safe bathing
temperature for adults or children.
temperature for adults or children.
temperature for adults or children.
temperature for adults or children.
The British Burns Association recommends
37 to 37.5ºC as a comfortable bathing
temperature for children. In premises
covered by the Care Standards Act 2000, the
maximum mixed water outlet temperature
is 43ºC.
Installation Requirements
Recommended Outlet temperatures
Recommended Outlet temperatures
Recommended Outlet temperatures
Recommended Outlet temperatures
The BuildCert TMV scheme recommends
the following set maximum mixed water
outlet temperatures for use in all premises:
41ºC for showers;
The mixed water temperatures must
The mixed water temperatures must
The mixed water temperatures must
The mixed water temperatures must
never exceed 46ºC.
never exceed 46ºC.
never exceed 46ºC.
never exceed 46ºC.
The maximum mixed water temperature
can be 2ºC above the recommended
maximum set outlet temperatures.
Note:
Note:
Note:
Note: 46ºC is the maximum mixed water
temperature from the bath tap. The
maximum temperature takes account of the
allowable temperature tolerances inherent
in thermostatic mixing valves and
temperature losses in metal baths.
is 43ºC.
The thermostatic mixing valve (TMV) will be
installed in such a position that
maintenance of the TMV and its valves and
the commissioning and testing of the TMV
can be undertaken.
The fitting of isolation valves is required as
close as is practical to the water supply
inlets of the thermostatic mixing valve.
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