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FIGURE 1 MINIMUM CLEARANCES TO COMBUSTIBLES* - refer to Table 1 for values
NOTE: A 'PEEL & STICK' SIGN IS SUPPLIED: USE AN INDELIBLE MARKER TO
ENTER VALUES 'H', 'S', 'F', & 'B' ON THE SIGN.
POST THE SIGN ADJACENT TO THE HEATER THERMOSTAT OR IN A
PROMINENT LOCATION.
Suspended at an
angle up to 45°
F
Maximum
Stack Height
H = T- C
'T'
is meas-
T
ured on site,
'C' is in Table
FLOOR
TABLE 1 MINIMUM CLEARANCES TO COMBUSTIBLES*
MODELS
SPW2-JZ / IWP2 &
STW2-JZ(S) / IW2(S)
Nominal Inputs
200,000/140,000
175,000/125,000
155,000/110,000
130,000/90,000
110,000/75,000
80,000/60,000
*The clearance to combustible materials represents the minimum distance that must be main-
tained between the heater and a nearby surface. The stated clearance to combustibles
represents a surface temperature of 90F° (50C°) above room temperature.
NOTE that in the above table the clearances are measured from the reflector.
It is the installer's responsibility to ensure that building materials with a low heat
D
B
C
H
HORIZONTAL
TOP
SIDE
A
S
inches (cm
inches (cm)
)
(18)
22" (56) 68" (172) 7"
7"
6.5" (16.5) 20" (51) 68" (172) 6.5" (16.5) 1" (2.5) 47" (119) 68" (172)
(15)
19" (48) 64" (163) 6"
6"
4"
(10)
11" (28) 60" (152) 5"
3"
(8)
10" (25) 60" (152) 4.5" (11)
2.5" (6)
6"
(15) 42" (107) 3.5" (9)
See next page for details.
A
S
H
FLOOR
ANGLE UP TO 45 DEGREES
BELOW
TOP
C
D
inches (cm)
inches (cm)
(18)
(15)
(13)
7
Suspended
horizontally
Maximum
Stack Height
C
H = T- C
T
'T'
is meas-
ured on site,
'C' is in Table
REAR
FRONT
B
F
inches (cm)
inches (cm)
1" (2.5) 57" (145) 68" (172)
1" (2.5) 44" (112) 64" (163)
1" (2.5) 35" (89)
1" (2.5) 26" (66)
1" (2.5) 23" (59)
SPW2, STW2(S) / IWP2, IW2(S) I&O Manual
S
BELOW
C
inches (cm)
56" (142)
54" (137)
38" (97)
IM170629
RL: 03C
RD: APR 2019
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