Technical data
1111
Compartment installation
The appliance may be installed in any room, although 
particular attention is drawn to the requirements of the 
IEE regulations applicable and in Scotland the electrical 
provisions with respect to installation in a room containing 
a bath or shower.
Air supply
1.   The room in which the appliance is installed does not 
require a dedicated air vent.
2.   If the appliance is installed in a cupboard or 
compartment with dimensions that allow the following 
minimum clearances, then no ventilation is required:
Compartment installation
  Position of appliance  Min. unventilated clearance 
    (to removable door)
  In front  200mm
  Right side  100mm*
  Left side  100mm*
  Above  50mm
*This space can be reduced to 50mm for one side only as long as both the side 
clearances add up to the total of both of the side measurements shown or more.
800mm
600mm
900mm
50mm
100mm**
100mm**
200mm*
*Space required for unvented areas with a removable door or panel.
**  This space can be reduced to 50mm for one side only as along as both the side 
clearances add up to the total of both the side measurements shown or more.
600mm
600mm
2,250mm
600mm
600mm radius
750mm
750mm
2,250mm
2,250mm
1
2
2
1
1
1
2
2
2,250mm
600mm
600mm
2,250mm
600mm
600mm radius
750mm
750mm
2,250mm
2,250mm
1
2
2
1
1
1
2
2
2,250mm
Boiler location & clearances
Bathrooms
IMPORTANT:  
Any switch or appliance control using mains electricity must 
not be within reach of a person using the bath or shower.
Electrical switches, fused spurs and socket outlets must not 
be situated in the bathroom.
A boiler fitted with a non-mechanical timer or with no timer 
can be installed in zone 2 or outside the shaded area.
A boiler with a mechanical timer or RF mechanical timer 
with a room thermostat must only installed outside the 
shaded area.
Additional Residual Current Device (RCD) protection may 
be required.
Refer to the latest IEE wiring regulations.










