Preparation Of Firebox Opening - Flavel Vesta Installation, Maintenance & User Instructions

2.3 PREPARATION OF THE FIREBOX OPENING
If installing the product into a hole in the wall type installation, create an opening
as shown in Fig. 4 below. If installing into a conventional opening with a hearth
panel, create an opening as shown in Fig. 5 below.
Fig. 4 - Hole in the Wall Installations
100mm Minimum
This will ensure that the
distance from floor level to
the burner is 225mm and
hence complies with
Document J of the building
regulations (paragraph 3.4)
Fig. 5 - Conventional Installations
65mm Minimum
This will ensure clearance for
the fascia assembly
50mm
Min. 490mm
Max. 500mm
Min. 490mm
Max. 500mm
750mm Minimum
12
300mm
Minimum