POWERSTREAM Ascari -
p. 16 -
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A filling loop must be installed that isolates from the cold mains water supply from the heating system and
complies with the current building and water regulations in force at the time.
•
The boiler incorporates an 8-litre expansion vessel which is suitable for heating systems as follows:
2.6.3 - Filling loop
This boiler is not fitted with a filling loop. Any filling loop being fitted should comply with the water supply (water
fittings) regulations 1999 Section G24.1 and G24.2. A filling loop should be fitted at some point to allow the CH
system to be filled.
Two types are shown below:
Stop
valve
Temporary Flexible Hose
Connection
To
be
removed
immediately
after
filling
Mains water
supply
Pressure Pump & reducing
valve
(if required)
Cistern &
Overflow
Mains
water
supply
Heating
System Return
Double
check valve
assembly
Stop
valve
Stop
valve
Heating
System
Return
METHOD B
METHOD A
Recommended and approved method for filling closed circuits in a house (R24-2a Water Regulations Guide)