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2. Components and specifications - single sided
20MM
A Jetmaster firebox may be installed without a gather in an existing brick chimney only where it is in
good working order, structurally sound and passes a static smoke test.
Gather must be securely bolted to the unit (if used)
Optional 3 and 4 sided 100mm surrounds are available. Add 100mm to B measurement for coverage
Gather
Single sided
Unit
MODEL
A
B
C
D
E
F
G
H
I
440
470
510
330
610
200
200
80
190
140
500
570
600
350
650
200
200
90
230
120
600
670
700
350
650
200
200
90
230
120
600 LOW
670
700
350
600
200
200
90
230
120
700S
770
800
350
650
200
200
90
230
120
700SH LOW
770
800
350
600
200
200
90
230
120
700 D
770
800
400
700
200
225
100
250
150
850
920
950
450
750
220
250
130
300
150
850 LOW
920
950
450
700
220
250
130
300
150
1050
1120
1150
500
800
240
300
150
320
180
1050 LOW
1120
1150
500
750
240
300
150
320
180
1050 LOW LOW
1120
1150
500
700
240
300
150
320
180
•
Measurements are in mm and provided as a reference only.
•
Due to the nature of thick welded steel, it is normal and expected for some imperfections and slightly out of square components. It is recommended to not
begin construction of cavity or flue penetration points until after the unit is in place on site.
A
B
C
D
E
F
G
H
I
50MM
