Rheem Ultra 28L Gas Continuous Flow Water Heater : 60°C preset 874B28

The Rheem Ultra 28L Heater provides a powerful and reliable hot water solution for large Australian households. Rheem designed this 874B28 model to deliver massive volumes of hot water on demand. Specifically, it provides a continuous flow of 28 litres per minute at a 25°C temperature rise. This capacity easily handles the demands of three bathrooms and a laundry at once. You will never experience a cold shower when another family member turns on a tap. This Rheem Ultra 28L Heater warms water instantly only when you need it. Consequently, you save significant money by avoiding the cost of a large storage tank. High-demand families trust this model for its incredible speed and reliability.

Available Variations:
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Key Hot Water System Features

Natural Gas and Propane Models Available

The Rheem Ultra 28L is offered in both natural gas and propane variants, providing flexibility to suit a range of household configurations while maintaining the same high-performance continuous flow technology.

Remote Temperature Controller Options

Remote temperature controllers allow you to set and adjust hot water temperatures conveniently for different areas, such as bathrooms and kitchens. This enhances safety, helps prevent scalding, and provides easy management of your household’s hot water needs.

Rheem Q Factor™

Equipped with Rheem Q Factor™, this unit delivers stable and consistent hot water temperatures during use. It ensures instant, reliable hot water for uninterrupted showers and household tasks.

60°C Temperature Limit for Safety and Comfort

The preset 60°C temperature limit provides a safe and comfortable water temperature, reducing the risk of scalding while ensuring sufficient warmth for daily use.

Compact Design for Easy Installation

With dimensions of 560mm (H) × 343mm (W) × 260mm (D), the Rheem Ultra 28L is compact enough for a variety of outdoor locations. Its space-efficient design allows straightforward installation without compromising performance.

Flamesafe® Overheat Protection for Peace of Mind

Rheem’s Flamesafe® technology automatically shuts down the water heater in the event of overheating, enhancing safety and reliability for your household.

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Hassle-Free Installation

The compact design facilitates installation in a range of outdoor settings. Professional installation is recommended to ensure safety, optimal performance, and compliance with Australian standards.

Maintenance

Regular maintenance by a licensed professional is recommended to maintain efficiency and prolong the water heater’s lifespan. This includes inspection of gas connections, burner assembly, venting, and periodic flushing as advised by Rheem guidelines.

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Comprehensive Warranty

For domestic installations, the system provides 15 years parts and 3 years labour coverage on the heat exchanger, along with 3 years parts and labour on all other components. For non-domestic installations, the heat exchanger and all other components are covered by a 1-year parts and labour warranty, ensuring reliable protection for both residential and commercial applications.

Hot Water Service and Support

Support & Advice

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Frequently Asked Questions

What is the minimum operating flow rate?

The minimum flow rate is 1.5 litres per minute, allowing the unit to activate and provide hot water even at low flow levels.

How much gas does the Rheem Ultra 28L consume?

Nominal gas consumption is 205 megajoules per hour (MJ/hr), sufficient for the hot water needs of larger households.

What is the maximum water supply pressure?

The unit can handle a maximum water supply pressure of 1000 kPa, compatible with most residential plumbing systems.

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Ready to Upgrade Your Hot Water System?

Upgrade your home hot water system with the Rheem Ultra 28L Gas Continuous Flow Water Heater from SunCity Hot Water. Contact us today to find out how this reliable and efficient heater can meet your household’s needs.