2
8
F
ig
u
re
1
7
.
H
e
a
te
r
A
s
s
e
m
b
ly
:
M
o
d
e
l U
tu
b
e
4
0
-U
2
0
, 6
0
-U
2
0
a
n
d
8
0
-U
2
0
.
F
COUPLER
BURNER
END
CAPS
(OPTIONAL)
10' 3" REFLECTORS TYPICAL OF 2
DISTANCE BETWEEN
SUSPENSION POINTS
NO TO EXCEED 12'
12'1½" NOMINAL OVERALL ASSEMBLED LENGTH
DETAIL
FIXED REFLECTOR BRACKET
REFLECTOR
TUBE
STRAP
RADIANT
TUBE
2 x SCREWS TIGHTEN TO
FIX REFLECTOR
SUPPLIED
NUT &
BOLT
F
STANDARD 4" COUPLER
BURNER INSERT
(SEE DETAIL)
NAT GAS ONLY
G
H
3
' 3
"
G
G
F
BURNER INSERT DETAIL PT. NO. 270489
NOTE: FOR MODEL 80 NAT GAS ONLY
FIRST SUSPENSION POINT TUBE STRAP
DETAIL
TUBE & REFLECTOR SUSPENSION BRACKET
DETAIL
TUBE
STRAP
RADIANT
TUBE
SUPPLIED
NUT & BOLT
SUSPENSION
BRACKET
REFLECTOR
H
G
"A"
VIEW ON "A"
CL
2" MINIMUM
REFLECTOR OVERLAP
12.6" ref
6"
4"
SWAGED TUBE/TUBE
ORIFICE 202018
FITTED BURNER END
MODEL 40 ONLY
201688
