enware aquablend 2000, Installation Instruction, Page: 5 / 28

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Figure 3 (below) shows a general arrangement drawing of
the ENWARE AQUABLEND 2000 Thermostatic Mixing Valve
showing the method of operation.
Hot and cold water is supplied to each side of the valve
respectively. The hot water enters through a port below the
Piston, the cold water enters above the Piston. Upon entry
the water begins to blend and enters the Mixing Tube. At
this point the mixed water contacts the thermostatic wax
Element. The Element will extend or contract to match the
water temperature it is exposed to causing the Piston to move,
thereby regulating the amounts of hot and cold water entering
the valve. This thermostatic mechanism maintains the mixed
water temperature at a constant temperature.
If for example the inlet hot pressure dropped, the flow of hot
water into the valve would be reduced and the valve would
react as per the following sequence of events:
• Element is exposed to mixed water at a reduced temperature
• Thermostatic Element contracting
• Piston is pushed upwards by the return spring restricting cold
HOT
INLET
COLD
INLET
MIXED
OUTLET
RETURN
SPRING
THERMOSTATIC
ELEMENT
MIXING
TUBE
PISTON
Figure 3 - General Arrangement Drawing