7
Jefferson Direct Vent /Natural Vent Gas Heater
30004177
Hearth Requirements
The Jefferson Heater must be installed on rigid flooring.
When the heater is installed directly on any combustible
surface other than wood flooring, a metal or wood panel
extending the full width and depth of the unit must be
used as the hearth. There are no other hearth require-
ments.
Parallel Installation:
Minimum Clearance and Flue Centerline,
Direct Vent and Natural Vent
ST128a
FDV28
flue centerline
12/3/99 djt
C
L
C
L
B
D
C
A
Stove Clearances
A: 4” (102 mm)
B: 4” (102 mm)
Pipe Centerlines
C: 14
¹⁄₂
” (369 mm)
D: 9” (229 mm)
ST128a
Fig. 3
Parallel installation, minimum back and side clear-
ances and flue centerlines.
Corner Installation: Minimum Clearance and
Flue Centerline, Direct Vent & Natural Vent
ST129b
Stardance
corner specs
9/28/00 djt
A
A
B
B
Stove Clearance
A: 4: (102 mm)
Pipe Centerline
B: 14
³⁄₄
” (375 mm)
ST129b
Fig. 4
Corner installation, minimum corner clearance and flue
centerline.
Wall Centerline from Floor
ST131a
wall thimble
12/3/99 djt
A
Effective Minimum
Wall Thimble
58
¹⁄₄
” (1480 mm) (CFM Pipe)
Centerline
54
³⁄₄
” (1378 mm) (Simpson Duravent Pipe)
ST131a
Fig. 5
Minimum wall thimble centerline.
Wall and Ceiling Clearances
A
C
D
ST101a
Direct Vent
Min. Clrnc
12/3/99 djt
B
A: Rear Wall
4” (102 mm)
B: Min. Clearance
43
¹⁄₂
” (1105 mm)*
C: Min. Alcove Height
72” (1830 mm)*
D: Max. Alcove Depth
48” (1220 mm)
Sidewall clearance
4” (102 mm)
ST101a
* needed for installing DuraVent Minimum Vent Kit #2792
or CFM Minimum Vent Kit #7TFSDVSK
Fig. 6
Dimensions and clearances to ceiling or alcove.