• Bosch OptiFlow Professional Internal 12L Natural Gas Hot Water System 50 Deg 7736502489

    Bosch Natural Gas Internal Continuous Flow Hot Water System 7702331714 hero image
    Bosch Natural Gas Internal Continuous Flow Hot Water System 7702331714
    Yet to be reviewed
    • Overview
    • Specifications & manuals
    • Legendary service
    • Delivery, services & returns
    • Questions & answers

    Overview

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    A hot water system is one of the most hardworking appliances in the home. That’s why you want an appliance you can rely on for your hot water supply. Bosch painstakingly engineer their hot water systems to improve performance and efficiency. This means you can wake up with an invigorating shower, or relax at night with a warm bath thanks to the Bosch OptiFlow Professional hot water system.

    This model is ideally suited for one-person households - an excellent option for studios or small apartments. You can set your desired preset temperature using the integrated controller and the LCD display shows the current setting, allowing you to monitor your system at a glance.

    This appliance is powered by natural gas and features Bosch’s combustion management technology, resulting in an ultra-efficient and dependable hot water system.

    Note: the hot water system in the video refers to the Optiflow Professional 12-litre natural gas model. This is the Optiflow Professional 12-litre compliant natural gas model.
    Suitable for single-person households.

    With 45-litres of hot water storage capacity, this system is ideally suited for households for single-person households.

    Efficient engineering with natural gas

    This exceptionally efficient hot water system heats water with natural gas, and is designed to ensure low running costs and low emissions of greenhouse gases. A design that is kinder to your budget and the planet.

    Combustion management technology

    This Bosch Optiflow hot water system features combustion management technology to improve performance and efficiency. This is achieved by optimising the mixture of gas and air in the appliance for various conditions.

    Compact design

    Thanks to the continuous flow system, you don’t need a big storage cylinder to keep hot water. This makes this system a compact solution for your hot water needs, making it easy to find a place to install the unit.

    Specifications & manuals

    key Specifications
    Brand
    Bosch
    Finish Colour
    White
    Height (mm)
    568 mm
    Width (mm)
    300 mm
    Depth (mm)
    170 mm
    Model Number
    7736502489
    Fuel Type
    Natural Gas
    Tank Capacity
    12 L
    warranty
    Manufacturer Warranty
    3 Years
    Warranty Note
    3 years for parts and labour - 10 Years for the heat exchanger part only
    other Features
    Features
  • Patented Combustion Management System for superior efficiency over the lifetime of the appliance
  • Room sealed appliance
  • 6 star efficiency
  • Compact, lightweight
  • Solar compatible water heater
  • Electronically controlled modulation
  • Up to 4 optional controllers
  • Recycling Partnership Program

    Bosch and Appliances Online – Proud Partners in Recycling!
    Bosch is a proud supporter of Appliances Online’s Packaging Recycling Program. Working together, we stop around 85% of packaging waste including cardboard, soft plastics and expanded polystyrene from polluting our environment or ending up in landfill. 

    Legendary service

    The Appliances Online Net Promoter Score (NPS) is based on feedback from 89,897 people, collected between August 2024 to August 2025. Learn more about the Net Promoter Score (NPS).
    Bravo Appliances Online BRAVO!!!
    Paul , Lane Cove
    Delivered on the day requested, installed and the old dryer taken away
    Kayleen ,
    Unbeatable prices
    Judy, Ferny Hill, QLD

    Delivery, services & returns

    Appliances Online is all about legendary service. We offer free next business day delivery, free connection, free removal and free recycling, and we even offer Saturday delivery and, in some locations, a Premium Delivery option that allows you to choose your own 2-hour delivery window.

    Questions & answers

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