201
14
22 mm gas supply must be within 3 m of boiler. Final connetion only in 15 mm.
1 = Electrical cable entry
2 = Gas supply
3 = Domestic Hot Water outlet
4 = Domestic Cold Water Inlet
5 = Outlet Central Heating safety valve
6 = Central Heating flow outlet
7 = Central Heating return inlet
3 Domestic hot Water outlet 15 mm
2 Gas
Important Note - Always use two spanners to prevent twisting of soft copper pipework.
Note - The central heating safety valve (5) should be piped 15 mm to discharge safely outside the property.
5 Outlet central heating safety valve 15 mm4 Domestic cold Water inlet 15 mm
6 Central Heating flow outlet 22 mm
7 Central Heating return inlet 22 mm
Fig. 9
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