Bosch Appliances 125B NGL Water Heater User Manual


 
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.
Warning: If you do not follow these instructions exactly, a
fire or explosion may result causing property damage,
personal injury or loss of life
INSTALLATION AND OPERATING INSTRUCTIONS FOR AUTOMATIC
INSTANTANEOUS TYPE WATER HEATERS FOR USE WITH NATURAL AND
LIQUEFIED PETROLEUM GAS
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
- 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 5
Combustion Air Requirements ............................ Page 5
Mounting the Heater ........................................... Page 6
Venting the Heater ............................................. Page 6
Gas Connections ............................................... Page 7
Water Connections ............................................ Page 8
Safety before lighting the pilot ............................ Page 9
Lighting instructions ........................................... Page 9
About Water Temperature .................................. Page 9
Maintenance & Service....................................... Page 9
Trouble Shooting .............................................. Page 10
Diagram of AquaStar......................................... Page 13
Components and Parts List .............................. Page 14
TABLE OF CONTENTS
6 720 606 522 (01.10) AL
MODEL 125B LPL and 125B NGL (Non-Modulated)
Suitable for heating potable water
Certified for space heating in combination with potable water only
Not certified for space heating only. Intended for either recirculation to storage or cold water inlet flow that
is non-varying. For variable flow, install the 125 B or the 125 X model.