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MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
P:0845 6448802 F:0845 6448803 E:
W: www.mhgheating.co.uk
010617
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10.1 Expansion Vessel
In accordance with BS 6644: 2005, WRAS Regulations, and Local Authority Water
Regulations, as applicable, the installer shall install a suitably sized, and approved,
Expansion Vessel to ensure that the water capacity of the system has ample
expansion capacity.
The location of the expansion vessel shall only be isolatable from the system via
a Lockable Type Service Valve, which shall be locked in the
OPEN position, to prevent
accidental isolation.
Furthermore, a drain facility should be provided adjacent to the expansion
vessel to aide the routine maintenance, overhaul, of the vessels Air Pressure setting.
For information on a comprehensive range of expansion vessels that comply
with current British Standards and WRAS Regulations, please contact MHGHeating Ltd
Sales.
