Schwank duraSchwank - Steel STW-JZ - Manual (Page 24)

24
SPW-JZ, STW-JZ / IWP, IW
I&O Manual IM101229
RL: 12B- BA
RD: AUG 2013
NG or LP 110,000 x 50 not required -
NG or LP 130,000 x 30 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 130,000 x 40 10' (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 130,000 x 50 not required -
NG or LP
2' (0.6 m)
FIELD INSTALLED AT END 3RD TUBE
+ 10' (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 150,000 x 50 * 2’ (0.6 m)
FIELD INSTALLED AT VENT END
NG or LP 150,000 x 60 not required -
NG or LP 175,000 x 50/60 10’ (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG Only 175,000 x 70 10’ (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG Only 200,000 x 50 10’ (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 200,000 x 60/70 10’ (3 m) 6th tube = 50 TO 60 ft
150,000 x 40 *
GAS
TYPE MODEL
Input x Length (ft)
TURBULATOR
LENGTH
TURBULATOR LOCATION
IN TUBE SYSTEM
NG or LP 45,000 x 20 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 60,000 x 20 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 60,000 x 30 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 80,000 x 20 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 80,000 x 30 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 80,000 x 40 10’ (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 110,000 x 30 14' (4.3 m)
VENT END - FACTORY INSTALLED IN TUBE
NG or LP 110,000 x 40 10' (3 m)
VENT END - FACTORY INSTALLED IN TUBE
NOTE: Improper location of a turbulator can cause malfunction of the heater,
property damage, and will void the heater warranty.
Tube Kits are supplied with 4 ft & 10 ft turbulator(s) factory installed into the
tube(s). Tubes with turbulators are clearly labeled for easy identification. Two
models require that a 2 ft turbulator be installed in the field (see * below).
TURBULATOR LENGTH & LOCATION IN SYSTEM:
* 155 Models (150,000 Btuh): 2 ft turbulator is supplied in the Burner Kit and is field installed:
 40 ft heater: Insert in end of third tube, prior to the 10 ft turbulator that is factory installed
in the last tube (total 12 ft turbulator)
 50 ft heater: Insert in the vent end of the last tube in the system.