31
Figure 16. Heater Assembly: Model U tube 170U65 and 200U65
6½"
5'
9"
5'
1"
34
' 0"
N
O
MI
N
A
L OVERALL
ASSEMBLE
D
L
E
NG
T
H
5' 2
"
A2
B2
5'
3"
4'
2
"
MAX
6' 0"
R
E
F
LE
C
T
O
RS
TY
PI
CAL O
F
6
4" x 10'
T
U
BE
T
U
RB
UL
ATOR
4" x
5' T
U
B
E
4"
x 7'
T
U
B
E
4"
x 1
0'
B
URNER
TUBE
B2
B2
B
A2
A2
5' 8"
4" x
5' T
U
B
E
4"
x 7'
T
U
B
E
26¼"
MO
DEL N
U
M
B
ER
BT
U/
H
R
P
A
R
T
S
LIST
PA
RT
#
BRAC
KET SET
1 no
BR
4U
TU65
F
A
N
1
n
o
25
60
-1
17
0-U
6
5
T
U
RB
ULATOR (FAN T
U
BE)
1 no
6
6
19
T
2
00-U
6
5
1
75,
00
0
STANDARD
4"
COUPLE
R
20
0,
000
6 no
2
0
2195
o
r 6 no
1
2
65
RE
F
LE
C
TOR
6'
AL
UM
INUM
or
RE
F
LE
C
TOR
6
'
STAIN
L
E
SS
STEEL
1 no
3
2
93
-SU
B
or
1
n
o
318
2-SU
B
EN
D CA
P
(SET)
AL
U
M
INUM
or
EN
D CAP (SET)
ST
A
INLESS STEEL
2 no
T-4
101
BU
RN
ER
TUBE
10
'
AL
UM
IN
IZ
ED
R
A
DIAN
T
TUBE 7'
MI
LD
STEEL
2 no
T-4
073
2 no
T-4
103
R
A
DIAN
T
TUBE 10
'
MIL
D
ST
E
E
L
2 no
T-4
053
R
A
DIAN
T
TUBE 5'
MI
LD
STEEL
COUPLERS
**
HIGH TEMP COU
PLE
R
**
HIGH TE
MP
4"
COUPLE
R
SUSPENSI
ON BRACKET
TYP
E
A
REFL
ECT
O
R
FA
STNE
RS
U BOLTS
SUS
PENSIO
N
BRACKET
RADI
A
N
T
TUBES
REFLECTO
R
GAP
A2
4"
BURNER U
BOLT. DET
A
IL
# 65
79-S
U
B
SUSPENSI
ON BRACKET
TYP
E
B
U BOLTS
SUS
PENSIO
N
BRACKET
RADI
A
N
T
TUBES
REFLECTO
R
B2
GAP
4"
BURNER U
BOLT. DET
A
IL
# 65
80-S
U
B
SUSPE
NSION BRACKET T
YPE
B
DETAI
L
# 6
580-
SUB
B
U BOLT
S
SUSP
ENSIO
N
BRAC
K
E
T
RAD
IA
N
T
TU
BE
S
REFLECTOR
8'6"
(260
0mm) TURBULA
T
OR
DET
A
IL
RETURN TUBE
FROM
FAN
EN
D
IM
PO
RT
AN
T
:
T
H
E 2ND
REFL
EC
TOR
OVERLA
PS
THE
1ST.
TH
E 3RD
RE
FLECTOR
OVERLA
PS
T
H
E
2
N
D A
N
D
S
O
ON
TOWA
RDS
T
H
E
F
AN.
**
HT
COU
P
L
E
R
2
n
o
C1
12
11
0
**
HIGH TEMP COU
PLE
R
4" x 10' TU
B
E
4"
x 1
0'
B
URNER TUBE