Pressure Relief Pipework - Worcester Greenstar 12i System Instruction Manual

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PRESSURE RELIEF PIPEWORK
PRESSURE RELIEF PIPEWORK:
IMPORTANT: The pressure relief valve
is a safety device for the boiler and
rt
activated may discharge boiling water
steam through the relief valve drain
pipe.
Care should be taken when siiing the
outlet pipe so that
jt
does not c:ause an
obstruction or discharge above a
window. entrance or other public access
where It could cause a hazard.
• The pressure relief drain pipe (M) from the
boil e r should be at least 16mm diameter
c:opper pipe and run downwards away from
any electrics or other hazard, preferably to an
external drain or soakaway.
P;pe (M) should
be
fin;,hed with s port;sl
bend, near the outfet to face the extetnal wall
(as shown) to help prevent hazard.
L • Outside wan
O,M • Drain pipe
N • Ext&rnal drain
PRESSURE RELIEF PtPEWORK