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John Wood Takagi - 320H-520H User Manual

Gas tankless water heater, 520h direct vent indoor models

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320577-000

REV. 00 (10-12)

520H Direct Vent Indoor Models
On-Demand Condensing Water Heater
Installation Manual and Owner’s Guide

Gas Tankless Water Heater

520H Direct Vent Indoor Models

Suitable for potable water heating and space-heating*

* Please refer to local codes for space-heating compliance.

FEATURING

• ENDLESS HOT WATER

ON-DEMAND

USAGE

• COMPACT, SPACE SAVING

ENERGY

CONSERVATION

COMPUTERIZED

SAFETY

• NO PILOT LIGHT

EASY-LINK

SYSTEM

WARNING

This product must be installed

and serviced by a licensed

plumber, a licensed gas fitter,

or a professional service tech-

nician. Improper installation

and/or operation, or installation

by an unqualified person, will

void the warranty

- Do not store or use gasoline or other flam-

mable vapors and liquids in the vicinity of this
or any other appliance.

- WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electric switch, do not

use any phone in your building.

• Immediately call your gas supplier from a

neighbor's phone. Follow the gas suppli-
er's instructions.

• If you cannot reach your gas supplier, call

the fire department.

- Installation and service must be performed by

a qualified installer, service agency or the gas
supplier.

If the information in these

instructions is not followed

exactly, a fire or explosion may

result causing property dam-

age, personal injury or death.

WARNING

520H model

only

If you have any questions,

please call or write to:

GSW Water Heating

599 Hill Street West

Fergus, ON Canada N1M 2X1

Toll Free: 1-888-479-8324