Schwank STW-JZ Owner's Manual page 24

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Installation & owner's manual (56 pages)

Table Of Contents

Table of Contents

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.

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).

GAS

MODEL

TYPE

Input x Length (ft)

NG or LP

45,000 x 20

NG or LP

60,000 x 20

NG or LP

60,000 x 30

NG or LP

80,000 x 20

NG or LP

80,000 x 30

NG or LP

80,000 x 40

NG or LP

110,000 x 30

NG or LP

110,000 x 40

NG or LP

110,000 x 50

NG or LP

130,000 x 30

NG or LP

130,000 x 40

NG or LP

130,000 x 50

NG or LP

150,000 x 40 *

NG or LP

150,000 x 50 *

NG or LP

150,000 x 60

NG or LP

175,000 x 50/60

NG Only

175,000 x 70

NG Only

200,000 x 50

NG or LP

200,000 x 60/70

* 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.

STW-JZ / IW I&O Manual

IM101229

RL: 12B- BA

RD: AUG 2013

TURBULATOR

TURBULATOR LOCATION

LENGTH

IN TUBE SYSTEM