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 – a Type III Category Appliance)

Suitable for heating potable water only Not approved for space heating purposes

Intended for variable flow applications with steady cold water inlet temperatures

WARNING

6 720 606 519 (02.01) AL

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.

FEATURING: Automatic Variable Power Modulating Gas Valve, Electronic Ignition and Power Venting

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.

TABLE OF CONTENTS

Specifications

Page 2

Rules for safe operation

Page 4

Locating the Heater

Page 4

Combustion Air Requirements

Page 5

Mounting the Heater

Page 5

Venting the Heater

Page 6

Gas Connections

Page 9

Water Connections

Page 10

Electrical Connections

Page 11

Safety before turning on the heater

Page 12

Lighting and Operating instructions

Page 12

Setting water temperature

Page 12

Maintenance & Service

Page 13

Trouble Shooting

Page 14

Diagram of AquaStar

Page 17

Components and Parts List

Page 18

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Bosch Appliances 125FX NG, 125FX LP specifications For Your Safety, What to do if YOU Smell GAS, Table of Contents

125FX NG, 125FX LP specifications

Bosch Appliances has been a leader in the home appliance industry for decades, known for their innovation, efficiency, and reliability. Among their notable offerings are the Bosch 125FX LP and 125FX NG, two versatile models designed for modern kitchens that cater to the needs of both home cooks and professional chefs.

One of the standout features of the Bosch 125FX models is their dual-fuel capability. With options for liquid propane (LP) and natural gas (NG), these appliances provide flexibility in fuel choice, maximizing efficiency and performance. Users can select the type of gas that best suits their culinary style and kitchen setup, ensuring optimal cooking results.

Both models boast a powerful burner system that includes multiple high-performance burners. Featuring a high-output burner designed for rapid heating, these appliances allow for quick boiling and searing, making them ideal for time-sensitive cooking. Additionally, a simmer burner is included which provides low heat for delicate sauces and simmering dishes, striking a balance between power and control.

The Bosch 125FX series incorporates advanced cooking technologies that elevate the user experience. One significant technology is the precise temperature control, which ensures that cooking temperatures remain consistent, reducing the risk of overcooking or burning meals. The built-in oven features a convection cooking option, allowing for even heat distribution, resulting in perfectly baked goods and roasted dishes.

Another notable characteristic of these appliances is their sleek and modern design. Bosch has a reputation for creating aesthetically pleasing products that fit seamlessly into contemporary kitchen environments. Premium materials, rounded edges, and clean lines give the 125FX models a sophisticated look that appeals to style-conscious consumers.

User-friendly features are also prominent in both the LP and NG models. Intuitive knobs and controls allow for easy adjustments, while the large oven capacity provides ample space for multiple dishes, perfect for families or entertaining guests. Additionally, Bosch's commitment to energy efficiency means these appliances not only save on energy bills but also decrease the environmental footprint of your home.

In summary, the Bosch 125FX LP and 125FX NG are premier appliance choices for anyone looking to enhance their kitchen. With powerful cooking capabilities, innovative technologies, and a stylish design, they encapsulate Bosch's commitment to quality and performance in home appliances.