7 4
T E C H N I C A L D A T A
This thermostatic valve will suit supplies of:
HIGH PRESSURE (HP-S)
Operating pressure:
max. 10 bar
Recommended operating pressure:
1 - 5 bar
Test pressure:
16 bar
Hot water temperature:
max. 80°C
Recommended hot water temp.:
65°C
Rate of flow:
26 l⁄min. @ 3 bar
Maximum outlet temperature:
43°C +⁄-*
Safety check:
40°C
Hot water connection:
Left hand
Cold water connection:
Right hand
Minimum difference between hot
water and mixed water temperature:
6 K
Hot and cold supply pressure should be balanced
M I X E D W A T E R T E M P E R A T U R E
Application
Mixed water temperature
(at point of discharge).
Shower
41°C max.
Washbasin
41°C max.
Bath (44°C fill)
44°C max.
Bath (46°C fill)
46°C max.
* For preset outlet temperature adjustment – See page 63.
NB. 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. Valves operating outside of
these supply conditions cannot be guaranteed to operate
as a TMV2 or TMV3 valve.
R E C O M M E N D E D O U T L E T T E M P E R A T U R E S
The BuildCert TMV scheme recommends the following set
maximum mixed water outlet temperatures for use in all
premises:
44°C for bath fill but see notes below;
41°C for showers;
41°C for washbasins.
The mixed water temperatures must never exceed 46°C.
The maximum mixed water temperature can be 2°C above
the recommended maximum set outlet temperatures.
NOTE: 46°C 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.
It is not a safe bathing temperature for adults or children.
The British Burns Association recommends 37 to 37.5°C as
a comfortable bathing temperature for children. In premises
covered by the Care Standards Act 2000, the maximum
mixed water outlet temperature is 43°C
I N S T A L L A T I O N R E Q U I R E M E N T S
This thermostatic mixer valve must be installed in compliance
with current Water Regulations. If you have any doubts
about the Water Regulation requirements contact your local
water services provider or use the services of a professional
plumber.
This mixer valve is suitable for use with the following water
supply systems:
Gas Combination Boiler (multi-point) 1.0 - 10 bar*
Unvented System (pressure balanced) 1.0 - 10 bar
Pumped System 1.0 - 10 bar
IMPORTANT: If you install this mixer with a gravity fed system,
there must be a minimum head (vertical distance) from the
underside of tlie cold water storage tank to the showerhead
position of at least 5 metre.
Before connecting the mixer, water should be flushed through
the system to remove all debris that might otherwise damage
the valve.
* If pressure is in excess of 3.5 bar, a pressure-reducing
valve should be fitted.
S U P P L Y C O N D I T I O N S T M V 2
OPERATING PRESSURE RANGE
HIGH PRESSURE
Maximum static pressure - bar
10
Flow pressure, hot and cold - bar
0.5 to 5
Hot supply temperature - °C
55 to 65
Cold supply temperature - °C
5 to 25
OPERATING PRESSURE RANGE
HIGH PRESSURE
Maximum static pressure - bar
10
Flow pressure, hot and cold - bar
1 to 5
Hot supply temperature - °C
52 to 65
Cold supply temperature - °C
5 to 20
S U P P L Y C O N D I T I O N S T M V 3
