SECTION 8: U
NITARY
L
INEAR
& U-T
UBE
H
EATER
I
NSTALLATION
15 of 91
Table 3: Component Package Guide
Additional t
u
bing length may be added to heater.
Any additional t
u
bing lengths are considered as vent length for length determination.
Maxim
u
m venting length for
u
nitary heater is 45' (13.7 m) total.
For manifold t
u
bing on m
u
ltib
u
rner systems, heat-treated al
u
minized or porcelain coated t
u
bing is req
u
ired.
Table 2: Contents of Core and Extension Packages
Core Packages
Extension Packages
Hot Rolled
Aluminized
Hot Rolled
Aluminized
Part No.
Description
20
'
(6 m)
30
'
(9 m)
40
'
(12 m)
10
'
(3 m)
20
'
(6 m)
30
'
(9 m)
40
'
(12 m)
10
'
(3 m)
20
'
(6 m)
30
'
(9 m)
40
'
(12 m)
10
'
(3 m)
20
'
(6 m)
30
'
(9 m)
40
'
(12 m)
91409300 T
u
be, Hot Rolled Steel, 10
'
(3 m)
1
2
3
-
-
-
-
1
2
3
4
-
-
-
-
91409408 T
u
be, HT Al
u
minized, 10
'
(3 m)
-
-
-
-
1
2
3
-
-
-
-
1
2
3
4
03051101 B
u
rner T
u
be, ALUMI-THERM
®
Steel, 10
'
(3 m)
-
1
1
-
-
1
1
-
-
-
-
-
-
-
-
03051601 B
u
rner T
u
be, HT ALUMI-THERM
®
Steel, 10
'
(3 m)
1
-
-
1
1
-
-
-
-
-
-
-
-
-
-
01312700 Co
u
pling Assembly
1
2
3
-
1
2
3
1
2
3
4
1
2
3
4
02750303 Standard Reflector, 8
'
(2.4 m)
3
4
6
2
3
4
6
2
3
4
6
2
3
4
6
02750800 End Cap
2
2
2
2
2
2
2
-
-
-
-
-
-
-
-
03090100 T
u
be and Reflector Hanger
3
4
5
2
3
4
5
1
2
3
4
1
2
3
4
91907302 S-hook
3
4
5
2
3
4
5
1
2
3
4
1
2
3
4
03050010 Reflector S
u
pport Package
(Strap, Wire Form, Scre
w
s)
2
3
5
1
2
3
5
2
3
4
6
2
3
4
6
91107720 U-clip Package
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
90502700 Vent Adapter (Not
u
sed on CTHN)
1
1
1
1
1
1
1
-
-
-
-
-
-
-
-
01318901 T
u
be Clamp Package
1
1
1
1
1
1
1
-
-
-
-
-
-
-
-
Model
Tubing Length
Core Packages
Minimum
Standard
Aluminized
CTHN-40
10' (3 m)
CP10ALUM
CP10ALUM
CTHN-60
20' (6 m)
CP20HRS
CP20ALUM
CTHN-80
20' (6 m)
CP20HRS
CP20ALUM
CTHN-100
30' (9 m)
CP30HRS
CP30ALUM
CTHN-125
40' (12 m)
CP40HRS
CP40ALUM
CTHN-150
40' (12 m)
CP40HRS
CP40ALUM
CTHN-175
50' (15 m)
C EXP20HRS
CP EXP20ALUM
CTHN-200
50' (15 m)
C EXP20HRS
CP EXP20ALUM
