13
STS
-
JZ
-
F / IQ
-
F I&O Manual Z83.20
-
2016
IM101220
RD: APR 2019
RL: 20C
TABLE 3: TURBULATOR LENGTH & LOCATION IN SYSTEM:
NOTE:
Improper location of a turbulator can cause malfunction of the heater,
property damage, and will void the heater warranty.
Tubes with turbulators are clearly labeled for easy identification. Models with as-
terisk refer to notes below the table.
See next page for an illustration of turbulator length and location.
GAS TYPE
MODEL
x Length (ft)
TURBULATOR
LENGTH(S)
NG or Propane
45 x 20
39” + 96”
NG or Propane
60 x 20
39” + 96”
NG or Propane
60 x 30
1
96”
1
NG or Propane
80 x 20
39” + 96”
NG or Propane
80 x 30
1
96”
1
NG or Propane
80 x 40
24” + 109”
NG
ONLY
100 x 20
Stamped S/S
NG or Propane
110 x 30
60” + 96”
NG or Propane
110 x 40
24” + 109”
NG or Propane
110 x 50
24”
[3rd Tube]
NG
ONLY
130 x 30
60” + 96”
NG or Propane
130 x 40
24” + 109”
NG or Propane
130 x 50
24”
[3rd Tube]
NG or Propane
155 x 40
24” + 109”
NG or Propane
155 x 50
24”
[3rd Tube]
NG or Propane
155 x 60
24”
[3rd Tube]
NG or Propane
175 x 50/60
2
40” + 72”
2
NG
ONLY
175 x 70
2
40” + 72”
2
NG
ONLY
200 x 50
40” + 72”
NG or Propane
200
x
60/70
3
40” + 72”
3
TURBULATOR FOOTNOTES
:
1.
60 / 80 x
30’
: Remove 5 ft section of tur-
bulator from the aluminized steel tube
(2nd tube in system); install tube with
96”
turbulator at the vent end of the system
2.
175 Propane x
60’
: Install tube with tur-
bulators as
5th
tube
in the system
175 NG x
60’ & 70’:
Install tube with tur-
bulators as
6th tube
in the system
3.
200 x
60’ & 70’
: Remove
40”
piece of tur-
bulator from the upstream end of tube
with turbulator, and install the tube with
turbulator as the
6th tube
in the system
8. TURBULATOR LENGTH & LOCATION IN SYSTEM:
