plan
rear
side
A Return (R1
1
/
4
")
B Flow (R1
1
/
4
")
C Flue Outlet 110 Dia
D Air Inlet 110 Dia
E Condense-Outlet
(R
3
/
4
")
F Syphon clean point
G Gas (R1")
Dimensions in millimetres
Note:
Re flow and return connections. Each boiler is
equipped with 2Nr flow and 2Nr return
connections. The installer may use either both
top or both rear or one of each.
Clearances mm
Front min 500 - recommended 750
Rear min 450
Top min 500
AB
Boiler to boiler - none
A - None when B = 450
B - None when A = 450
3.2 critical dimensions
appliance dimensions
installation clearances
Fig 3.2a
Fig 3.2b