INSTALLATION AND OPERATING INSTRUCTIONS FOR AUTOMATIC INSTANTANEOUS TYPE WATER HEATERS FOR USE WITH NATURAL AND LIQUEFIED PETROLEUM GAS

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.

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.

TABLE OF CONTENTS

6 720 606 522 (01.10) 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.

Warning: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life

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

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Bosch Appliances 125B LPL, 125B NGL operating instructions For Your Safety, What to do if YOU Smell GAS, Table of Contents

125B NGL, 125B LPL specifications

Bosch Appliances has established itself as a leader in home innovation, offering cutting-edge products designed to enhance everyday living. Among their notable offerings are the Bosch 125B LPL and 125B NGL models, both engineered to meet the needs of modern households.

The Bosch 125B LPL features a sleek design, making it a stylish addition to any kitchen. It operates with a low noise level, allowing for an unobtrusive cooking experience. One of its standout features is the powerful performance it delivers, thanks to its innovative cooking technologies. The induction cooking system ensures rapid heating and precise temperature control, allowing users to cook their meals to perfection. The residual heat indicator is another excellent feature, ensuring safety by alerting users to hot surfaces.

On the other hand, the Bosch 125B NGL focuses on providing versatility and convenience in the kitchen. This model is equipped with advanced gas cooking technology that offers instant heat and adjustable flame control. This ensures that home chefs can simmer, sear, and sauté with precision. The integrated safety features, including a flame failure device, provide peace of mind while cooking.

Both models embody Bosch’s commitment to energy efficiency. They are designed to minimize energy consumption while maximizing performance, which is a significant advantage for environmentally conscious consumers. Additionally, the interface on both appliances is user-friendly, featuring intuitive controls that make it easy to navigate settings and cooking modes.

Bosch has also incorporated smart technology into these models, allowing users to connect their appliances with home networks for added convenience. This can include features such as remote monitoring and control, enabling homeowners to manage their cooking seamlessly.

In terms of durability, both the 125B LPL and the 125B NGL are built with high-quality materials that ensure longevity and reliability. Bosch’s reputation for fine craftsmanship is evident in every aspect, from their robust construction to the aesthetic details.

In conclusion, the Bosch Appliances 125B LPL and 125B NGL models represent the pinnacle of modern kitchen technology. With their powerful performance, energy efficiency, and user-centric features, they are perfect for those who appreciate gourmet cooking as well as everyday meal preparation. Bosch continues to redefine the culinary experience, making cooking not just a task, but an enjoyable journey.