CHIMNEY REQUIREMENTS
For minimum chimney sizes and types see table below. Certified equivalents tested and listed to UL Test Procedure
103, and ULC S604 rated to 1700°F or 2100°F may also be used if minimum chimney diameter is adhered to.
Chimney Type and Sizes
Minimum
Clearance
I.D. Chase
Size
KIVA 18
8” ID/12” OD Air‐Cooled
(IHP 8DM, Lennox TF8, Heatilator SL300)
2”
17
1
/
2
”x 17
1
/
2
”
KIVA 24
2”
17
1
/
2
”x 17
1
/
2
”
KIVA 30
GAS ONLY
8” ID/12” OD Air‐Cooled
(IHP 8DM, Lennox TF8, Heatilator SL300)
2”
17
1
/
2
”x 17
1
/
2
”
WOOD OR
GAS
10” ID/15” OD Air‐Cooled
(IHP 12DM, Lennox TF10, Heatilator SL1100)
2”
20
1
/
2
”x 20
1
/
2
”
8” ID/12” OD Air‐Cooled
(IHP 8DM, Lennox TF8, Heatilator SL300)
WARNING! B‐Vent Chimney should never be used when solid fuels are to be burned!
TABLE 1.
chimney requirements
KIVA30
FIREBOX DIMENSIONS:
TOP VIEW
A
B
C
D
E
F
G
H
I
KIVA 30
30”
40”
27
1
/
4
”
48
1
/
2
”
56
1
/
2
”
28”
8” FOR GAS BURNING ONLY
10” MIN. FOR WOOD OR GAS
12” FOR GAS BURNING ONLY
15” FOR WOOD OR GAS
12
1
/
2
”
CLEARANCES TO COMBUSTIBLES
SIDES/BACK
FACE
All framing along firebox face must be non‐
combustible
1”
CHIMNEY
2”
HEARTH EXTENTION
18”
Fireplace installation must be in compliance with local building codes. Before installing the fireplace, consult
the local construction industry to ensure that you are in compliance with all applicable codes, including permits
and inspections.
WARNING:
THE FIREBOX MUST BE FINISHED WITH THE ADOBELITE KIVA METAL FRAME OR OTHER NON‐
COMBUSTIBLE MATERIALS. CLEARANCES TO COMBSTIBLE MATERIALS AND FRAMING MUST BE MAINTAINED.
8