Figure 10. Heater Assembly: Model U tube 40U20 and 60U20.
SUSPENSION
BRACKET
TYP
E
B
DE
TAIL
#
6
5
76
-SUB
10'
0"
REFLECTOR TYPIC
A
L OF
1
7½"
7' 7"
11'4
" NOMINAL
OVER
A
LL ASS
E
M
B
L
ED
L
E
N
G
TH
3" x
10'
T
U
B
E
B
RA
DIAN
T
TU
B
E
S
SUSPENSION
BRACKET
REFL
ECT
O
R
U BOL
T
S
3" x
10'
BUR
N
E
R
TU
BE
TURB
ULAT
OR
19¼"
M
O
DE
L NUM
BE
R
B
TU
/HR
PAR
T
S L
IST
1 no 202
16
3
PA
RT #
BR
AC
KE
T SET
1 no BR3
U
TU2
0
TUR
B
UL
ATOR
1 no 201
82
3T
FAN
1
no 257
6T
1 no 202
19
1
or 1 no 20
18
18
RE
F
LE
C
TOR
1
0'
A
L
UM
INUM
or
REFL
ECT
O
R 1
0
'
STA
IN
L
ESS
STEEL
1 no 3
294
PMF
or 1 no 31
78
PMF
EN
D
C
A
P P
L
A
IN
AL
UMI
N
UM
EN
D
C
A
P P
L
A
IN
ST
A
INLESS STEEL
4
0
-U
20
45
,7
20
6
0
-U20
6
0,
00
0
9
'2
" (
2800mm) TUR
B
U
LAT
OR D
E
TA
IL
1 no T-310
3
RETURN T
U
BE FROM F
A
N
END
BUR
N
ER
TUB
E
1
0
'
AL
UN
IN
IZ
ED
RAD
IAN
T T
U
B
E
1
0
'
MILD
STEEL
A3
FIRST P
O
INT SUSPENSI
ON BR
ACK
E
T T
YPE
A
3"
+ 4"
BURNER U BOL
T
. DETA
IL
#
201
820
A3
RADI
A
N
T
TUBE
SUSPENS
ION
BRACKET
REF
LECT
O
R
U B
O
LT
S
4"
BURN
ER
TUBE
REFLECTO
R
FASTNER
S
GAP
EN
D CAP HOL
E
AL
U
M
INUM
or
EN
D
C
A
P H
O
L
E
STAINLES
S
STEEL
1 no 202
19
6
or 1 no 20
18
03
B
25