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38
Plumbing G3 Unvented Kit
All unvented cylinders must have full G3 kit as
supplied with cylinder installed correctly
Inlet Control Group Valve
1
must be fitted on
incoming cold feed within 3m of cylinder
Potable Expansion Vessel
2
must be fitted on cold
feed between Inlet Valve
1
and cylinder
Tundish
3
must be fitted on T&P and P relief as
shown in this diagram and also reference to
page
38-40
Discharge Arrangement
Failure to install unvented kit correctly will invalidate warranty and
does not comply with Building Regulations.
1
3
2
1
2
3
Secondary Return
