2
9
F
ig
u
re
1
8
.
H
e
a
te
r
A
s
s
e
m
b
ly
:
M
o
d
e
l U
tu
b
e
6
0
-U
4
0
, 8
0
-U
4
0
, 1
0
0
-U
4
0
, 1
2
5
-U
4
0
a
n
d
1
5
0
-U
4
0
.
6"-9" REFLECTOR OVERLAPS
F
COUPLER
*(HIGH TEMP
COUPLER
MODEL 125/150 )
BURNER
END
CAPS
(OPTIONAL)
6"
4"
10' 3" REFLECTORS TYPICAL OF 4
S
DISTANCE BETWEEN
SUSPENSION POINTS
NO TO EXCEED 12'
22'1½" NOMINAL OVERALL ASSEMBLED LENGTH
DETAIL
SLIDING REFLECTOR BRACKET
DETAIL
FIXED REFLECTOR BRACKET
REFLECTOR
RADIANT
TUBE
2 x SCREWS TIGHTEN TO
FIX REFLECTOR
2 x SCREWS MIN 1/8" GAP TO
ALLOW REFLECTOR TO SLIDE
SUPPLIED
NUT &
BOLT
S
F
G
BURNER INSERT
(SEE DETAIL)
NAT GAS ONLY
G
H
3
' 3
"
G
G
G
F
S
BURNER INSERT DETAIL PT. NO. 270489
NOTE: FOR MODELS 80/100 NAT GAS ONLY
FIRST SUSPENSION POINT TUBE STRAP
DETAIL
TUBE & REFLECTOR SUSPENSION BRACKET
DETAIL
TUBE
STRAP
SUSPENSION
BRACKET
REFLECTOR
H
G
"A"
VIEW ON "A"
STANDARD 4" COUPLER
COUPLER
C
L
2" MINIMUM
REFLECTOR OVERLAP
201688
