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WARNING: Improper installation,
adjustment, alteration, service or maintenance can cause
injury or property damage. Refer to this manual. For
assistance or additional information consult a qualified
installer, service agency or the gas supplier.
Upon completion of the installation, these instructions
should be handed to the user of the appliance for future
reference.
In the Commonwealth of Massachusetts this product
must be installed by a licensed plumber or gas fitter.
FEATURING: Electronic Ignition and Power Venting
INSTALLATION AND OPERATING INSTRUCTIONS FOR AUTOMATIC
INSTANTANEOUS TYPE WATER HEATER FOR USE WITH NATURAL AND
LIQUEFIED PETROLEUM GAS
MODEL 125FX LP and 125FX NG
(Flow Modulated with Electronic Ignition and Power Venting)
Suitable for heating potable water only
Not approved for space heating purposes
Intended for variable flow applications with steady cold water inlet temperatures
WARNING
If the information in this manual is not followed exactly. A
fire or explosion may result causing property damage,
personal injury or death.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable,
combustible or corrosive vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
- Close gas valve. Open windows.
- Do not try to light any appliance.
- Do not touch any electrical switch; do not use any
phone in your building.
- Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’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.
Specifications............................................. Page 2
Rules for safe operation........................... Page 4
Locating the Heater .................................. Page 4
Combustion Air Requirements ................ Page 5
Mounting the Heater ................................. Page 6
Venting the Heater .................................... Page 7
Gas Connections .................................... Page 10
Water Connections .................................Page 12
Electrical Connections ...........................Page 13
Safety before turning on the heater ....Page 14
Lighting and Operating instructions ....Page 14
Setting water temperature .....................Page 14
Maintenance & Service..........................Page 15
Trouble Shooting......................................Page 16
Diagram of AquaStar ..............................Page 19
Components and Parts List .................. Page 20
Warranty ................................................... Page 23
TABLE OF CONTENTS
6 720 606 601 US (06.01) AL