Please note that these dimensions (based on Hebel Block margins) are the absolute minimum sizes - widths (A & C)
maybe increased if desired.
It is important to ensure the Jetmaster firebox is seated on top of the finished floor protector level.
Gather
D
E
C
A
A1
B
F
A2
Fig. 2
Y
Front
Back
Gather
B
A
C
Table 1
Table 2
Fig. 3
Air
Vents
Fig. 4
All front
nogs
to be
installed
on edge
TIMBER FRAME DIMENSIONS
JETMASTER FIREBOX DIMENSIONS
6.TMWG.4
* Twin flue gather available **1050IGC Box is
ONLY
for gas installations
MODEL
A
A1
A2
B
C
D
E
F
Y
Off-set
Gather
Indoor
Gas
Burner
700
700
800
750
400
700
225/325
200
680
295
395
Yes
850
850
950
900
450
700
250/350
220
680
322
422
Yes
1050IGC **
1050
1150
1100
335
650
250/300
240
630
250
445
Yes
1050LL
1050
1150
1100
500
700
300/400
240
680
345
445
Yes
1050U
1050
1150
1100
500
800
300/400
240
780
345
445
-
1200 *
1200
1300
1250
600
1020
400/500
400
1000
435
-
-
1500 *
1500
1600
1550
600
1020
450/550
410
1000
435
-
-
MODEL
A
B
C
700
960
1200
525
850
1110
1200
560
1050 IGC
1310
1200
450
1050 LL
1310
1350
610
1050 U
1310
1450
785
1200
1500
1620
785
1500
1800
1620
810