CFM S274E Installation And Operational Manual
Part No S19220 Rev03
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CFM Corporation
This manual describes the installation and operation of the Models S274E non-catalytic wood heater. This heater meets
US Environmental Protection Agency’s emission limits for wood heaters. Under specific conditions this heater has been
shown to deliver heat at rates ranging from 10,370 to 29,301 BTU per hour.
NOTE: Retain this sheet for future reference
Model No. S274E
This unit has been listed by Warnock
Hersey Limited to meet or exceed
ULC S-627 Canada and UL 1482 U.S.
Contact your local building inspector
prior to installation.
A permit maybe required in your area.
3FT(1M) MIN
FROM ROOF
PENETRATION
2FT(635mm) HIGHER
THAN NEAREST
POINT OF ROOF
WITHIN 1OFT(3m)
A minimum clearance of 18” (457mm) to the chimney connector
may be required by the authority having jurisdiction.
From Heater From Chimney Connector
A Sidewall.......... 17-1/2” (444 mm) D Sidewall.................28” (711 mm)
B Backwall...............13” (330 mm) E Backwall................15-1/2” (394 mm)
C Corner...................11” (279 mm) F Corner....................22” (559 mm)
G Ceiling...................54-1/2” (1384 mm)
Figure A: Clearance from combustible constructions
6” Flue Required
BACK WALL
MINIMUM OVERALL
HEIGHT FROM FLOOR
15FT(5M)
8”
G
A
B
SIDE WALL
D
8”
8”
E
18”
Figure “A”
BACK WALL
C
F
SIDE WALL
C
F
Unit must be placed on a noncombustible floor protection equivalent to 3/8” millboard.
Floor protector must have min. R value of .893
Consult your local building authorities for further information.
Be sure to remove the protective plastic coating installing your wood heater
DECORATIVE BRASS TRIM
CAUTION: Do not open fire-door to a point where it
would be in contact with the combustible sidewall.
HANDLE
Twist spring handle in counter clockwise
motion while pushing on to handle; spring handle
will “thread” down to desired location.
SPRING
OPTIONAL FAN
An optional heat exchange blower is available for
this wood burning appliance. To order please see
the local dealer where you purchased your appliance.
MADE IN CANADA BY CFM CORPORATION, 410 ADMIRAL BOULEVARD, MISSISSAUGA, ON L5T 2N6
1
Inlet Air Control Settings
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Desired Burn Setting Inlet Air Setting **Approx. BTU Output
Low Closed Fully 10,370
Med / Low ¼ Open 12,420
Med / High ¾ Open 15,676
High Fully Open 29,301
**Performance may vary depending on actual home operating conditions
1
4
2
3 6
10
11
ITEM
QTY
1
1
2&3
3 4.3ft
4 1
5
6 5.1ft 5/8” DOOR GASKET S15011
7
8
9
10
11
12
13
14
15
16
17
18
1
1
1
1
7
1
2
2
2
1
1
1
12
4
2
1
PARTS LIST
DESCRIPTION
DOOR ASSEMBLY
DOOR (NO GLASS)
GLASS AND GASKET
1/8” GLASS GASKET
SPRING HANDLE
AIR CONTROL SPRING HANDLE S11008
SCREW
GLASS CLIP
GLASS CLIP
HINGE PIN
PUSH NUT S11090
BRASS BODY TRIM
BRASS ASH FENDER TRIM
FIREBRICK LT 4-1/2”x4-7/16”x1-1/4”
FIREBRICK LT 9”x4-7/16”x1-1/4” S16040
FIREBRICK LT 7-1/4”x4-7/16”x1-1/4”
FIREBRICK LT - ANGLED S16042
FIREBRICK LT 8”x4-7/16x1-1/4”
PART NO.
S31139
S41091
S31141
S15001
S11007
S11086
S37026
S37018
S11005
S32098
S32075
S16046
S16043
S16138
12
13
9
7
8
OPEN
CLO
SE
5
BE SURE TO INSTALL TWO
FULL BRICKS (S16040) IN
BAFFLE AS SHOWN
2 FULL BRICKS
BAFFLE ASSEMBLY
17
16
15
15
15
16
15
18
14
Brick Pattern
16
15
17
16
15
15
15
2
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