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Other products
VELUX 145
Solar hot water system
SOLAR HOT WATER TANK TFF
Solar hot water tank TFF is delivered com-
plete with all necessary components for the
solar hot water system.
• Hot water tank for vented or unvented
installations
• Pump group with controller
• Expansion tank(s) with connection tube
and holder
• Micro bubble air separator
• Temperature and pressure valves
• Glycol
TFF is compatible with all supplementary
heating units such as immersion heaters
and gas/oil boilers.
AIR BLEEDING
VELUX solar hot water systems do not
require an air bleeding valve to be fitted at
the highest point of the installation. Instead,
the micro bubble air separator included is
fitted on the hot flow from the solar col-
lectors.
FILLING THE SYSTEM
The system must be filled and correct pres-
sure ensured with a filling pump with high
flow volume and pressure, eg VELUX filling
pump ZZZ 197. For further information
please contact the VELUX Company Ltd.
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