Schwank SPW2-JZ Series Installation & Owner's Manual page 24

TURBULATOR LENGTH & LOCATION IN SYSTEM:
See next page for an illustration of turbulator lengths and locations.
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.
Aluminized Steel Tube
System Series:
SPW2-JZ / STW2-JZ
& IWP2 / IW2
Input (MBH) x Length (ft)
200/140 x 60
200/140 x 50
175/125 x 50 & 60
155/110 x 50
155/110 x 40
130/90 x 40
130/90 x 30
110/75 x 40
110/75 x 30
80/60 x 30
80/60 x 20
* 200/140 x 60 ft : Remove & discard short piece [40"] of turbulator from the upstream end of
turbulator tube, and install this tube as the sixth tube in the system
SPW2, STW2(S) / IWP2, IW2(S) I&O Manual
IM170629
RL: 03C
RD: APR 2019
Stainless Steel Tube
TURBULATOR
System Series:
LENGTH
Inches
Input (MBH) x Length (ft)
72" *
40" + 72"
40" + 72"
24" [3rd Tube]
24" + 109"
24" + 109"
60" + 96"
See next page for an illustration of
24" + 109"
turbulator lengths and locations.
60" + 96"
96"
39" + 96"
24
STW2-JZS & IW2S
200/140 x 60
175/125 x 60
155/110 x 50
130/90 x 40
110/75 x 40
80/60 x 30
TURBULATOR
LENGTH
Inches
72" *
40" + 72"
24" [3rd Tube]
24" + 109"
24" + 109"
96"