BLENDER VALVES
Selection & use of THERMOSTATIC
BLENDER VALVES
 For automatic temperature control of hot water supply
 Step-less adjustment for smooth, continuous temperature control.
 Prevents scalding risk from water stored above 65ºC to kill Legionella
 Fail-safe: hot water outlet closes if cold water supply fails
 Increases effective volume of stored hot water
 Suitable for use with Hep2O push-fit pipework
CW268… ø15mm short pipe runs
CW268 15mm
CW272B…ø22 main delivery pipes, ø15mm
branches to individual outlets
CW272B 22mm
Xylem Water Solutions UK Ltd
Bingley Road • Hoddesdon • Hertfordshire • EN11 0BU • UK
Telephone: +44 (0)1462 480380 Fax: +44 (0)1462 482422
mail@cleghorn.co.uk www.jabscoshop.com
DOC581/11
LARGE BOATS and SYSTEMS with a
secondary recirculation loop, ø15mm
pipes to individual outlets
CW268 & CW272B Installation instructions:
Fit the valve as shown on front sheet.
1. The valve may be installed in any orientation
2. Check that your pressurised water system has a strainer in the cold water supply line. Flush
the system before fitting the valve.
3. Minimum 10oC temperature difference between hot and cold water supply
4. Do not use jointing compounds on the connections
Commissioning the valve
1. Start the pressure system and heat the water.
2. Open a hot water tap and check the temperature of the water. If the temperature needs to
be adjusted:
on CW268 (15mm) simply turn the adjustment knob
on CW272B (22mm) 1. remove the central screw and the plastic knob
CW272B
adjustment
2. loosen the large lock-nut
3. using a 6mm A/F spanner, turn the square nut
clockwise to decrease temperature, anti clockwise to
increase temperature
Xylem Water Solutions UK Ltd
Bingley Road • Hoddesdon • Hertfordshire • EN11 0BU • UK
Telephone: +44 (0)1462 480380 Fax: +44 (0)1462 482422
mail@cleghorn.co.uk www.jabscoshop.com
DOC581/11
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