MODEL A B C *
500U 900 300 75
600U 1000 300 75
700 SH 1100 400 75
700 SH Low 1100 400 75
700D 1100 400 75
850 Low 1250 450 75
1050 Low Low 1450 600 75
1200 1600 750 75
1500 1900 850 75
A
B
C
Dimensions in mm
Table 4
Fig. 17
* A minimum 75mm thickness refers only to Hebel Block.
Minimum 100mm thickness required if poured concrete.
MODEL MINIMUM VENT SIZE (x2)
Square Design (L x H) Rectangle Design (L x H)
500 - 700 100 x 100 200 x 50
850 125 x 125 250 x 50
1050 150 x 150 250 x 100
1200 175 x 175 350 x 100
1500 200 x 200 400 x 100
A
B
C
D
C
B
A
Dimensions in mm
Table 5
The Fireplace Ltd specifies that allowances MUST be made for air replacement vents to be located near the fireplace,
to aid combustion and reduce the incidence of back venting. Refer below for air vent sizing and suggested location.
Fig. 19 - Location points A,B,C,D are suggested combinations. A minimum of one pair of air vents is recommended
or one large vent, as per location point D. Allowance to be made for minimum 2 inlet ducts from outside to internal vent
location.
Note: DO NOT USE FIREPLACE CAVITY VENTILATION AS A METHOD OF AIR REPLACEMENT.
Note: Table 5 dimensions are internal dimensions only, does not include vent flange
Fig. 18
MINIMUM FLOOR PROTECTOR SIZE
AIR REPLACEMENT PREPARATION
5.TW.1I
(from the outside through the side wall)
Floor Protector
(from the outside through the floor)
Air Replacement Ducts
Fig. 19
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