Yeoman YM-CKWDBL-R - Manual (Page 7)

SITE REQUIREMENTS
7
Location of hearth or Solid fuel
cooker
Solid, non combustible material
Thickness (W) height (A)
Where the hearth abuts a wall and the solid
fuel cooker is not more than 50mm from the
wall
200mm
At least 300mm above the solid fuel
cooker and 1200mm above the
hearth(Use the largest value)
Where the hearth abuts a wall and the
appliance is more than 50mm but not more
than 300mm from the wall
75mm
At least 300mm above the solid fuel
cooker and 1200mm above the hearth
(Use the largest value)
Where the hearth does not abut a wall and
is no more than 150mm from the wallSee
note below
75mm At least 300mm above the hearth
Note: there is no requirement for protection the wall where C is more than 150mm
WALLS ADJACENT TO HEARTHS