• Rheem 28Ltrs Ultra Continuous Flow Natural Gas Hot Water Pre-Set 60 Degree 874B28NF

    $1,849

    Rheem 28Ltrs Ultra Continuous Flow Natural Gas Hot Water Pre-Set 60 Degree 874B28NF

    $1,849
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    • Overview
    • Specifications & manuals
    • Legendary service
    • Delivery, services & returns
    • Questions & answers

    Overview

    The Rheem Ultra 28L Gas Continuous Flow Water Heater offers dependable, powerful hot water delivery tailored for homes with large or high-demand households. With a substantial 28 litres per minute flow rate, this model provides enough hot water to meet the demands of up to three bathrooms, making it ideal for families who value a steady, unbroken flow. Set at a safe 60°C, this unit eliminates the hassle of inconsistent water temperatures, thanks to the advanced Rheem Q Factor™, which maintains steady heat and quickly adjusts to changing usage.

    The compact design (560mm H x 343mm W x 260mm D) enables convenient outdoor installation without occupying valuable indoor space, while the Flamesafe® overheat protection offers enhanced safety by shutting down the unit if any risk of overheating arises. This model also offers flexible control, featuring optional remote temperature controllers that allow you to set precise temperatures in different areas of your home, ensuring the ideal level of comfort and safety.

    Available in both natural gas and propane models, this water heater easily integrates with a range of home setups. Designed to deliver reliable, efficient hot water, the Rheem Ultra 28L is perfect for busy households needing uninterrupted service and peace of mind.
    Continuous Hot Water

    The Rheem Ultra 28L Gas Continuous Flow Water Heater guarantees an endless supply of hot water, perfect for high-demand households. Its advanced design ensures you’ll never run out, delivering continuous, efficient, and reliable hot water on demand.

    Flame Safe

    The Rheem 28L Continuous Flow Hot Water System features Flamesafe overheat protection, automatically shutting down the unit to prevent overheating. This advanced safety feature ensures reliable, worry-free hot water performance while maintaining exceptional energy efficiency and durability.

    Rheem Q Factor

    Equipped with Rheem Q Factor™, this 28L Internal Continuous Flow Hot Water System ensures rapid, consistent hot water delivery every time, eliminating the temperature fluctuations common in other systems and providing a reliably comfortable experience for every use.

    Made In Japan

    Crafted in Japan, the Rheem 28L Internal Continuous Flow Hot Water System delivers exceptional quality and performance. Designed for larger households, it provides reliable, energy-efficient hot water on demand, compact and space-saving design.

    Specifications & manuals

    key Specifications
    Brand
    Rheem
    Finish Colour
    Silver
    Finish Colour Description
    Silver Grey Finish
    Height (mm)
    560 mm
    Width (mm)
    343 mm
    Depth (mm)
    260 mm
    Model Number
    874B28NF
    Fuel Type
    Natural Gas
    Weight (kg)
    23 kg
    warranty
    Manufacturer Warranty
    3 Years
    Warranty Note
    15-Year Parts Warranty only on the Heat Exchanger.
    Use
    Not intended or designed for commercial use.
    additional Dimensions
    Package Dimensions (H x W x D)
    660 x 408 x 319
    Package Weight (kg)
    25
    other Features
    Hot Water Selection
    Continuous Flow
    Flow Per Minute
    28 L
    Temperature Range - Maximum
    60 °C
    Hot Water Type
    Continuous
    Features

    Installation Type: External Gas Continuous Flow Natural Gas Hot Water System.

    Suitable Home: Suits Homes with 2.5 to 3 Bathrooms.

    Rheem Q Factor:   ensures rapid hot water every time, with none of the fluctuations that occur with some continuous flow units.

    Flamesafe Overheat Protection:  shuts down the water heater before overheating can occur.

    Hot Water Temperature: Pre-Set to 60 Degrees. Hot water over 50 degrees Fahrenheit going to any bathroom area must have a temperature-limiting valve installed, provided by your plumber at an extra fee.

    Water Flow: Minimum Operating flow of 1.5Ltrs per minute.

    Fault Display: Digital display for easy fault diagnosis.

    Smart Electronic Control: Rheem Gas Continuous Flow is fully electronically controlled for efficient and reliable hot water.

    Connections: 20mm (3/4") Gas and Water connections and a 10amp Outside Waterproof Powerpoint.

    6-Star Rating: Rheem Gas Continuous Flow’s 6-Star Energy Rating means efficient, on-demand hot water while keeping your hot water energy consumption down.

    electrical Connection
    Type of connection
    10A plug & lead
    country of Origin
    Origin
    Japan

    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
    The price and delay were less than the local stores
    Greg, Noranda, WA
    Very impressed with your company
    Michelle, Underwood, 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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