Rheem Commercial Continuous Flow - 27L Internal
SunCity Hot Water supplies, installs and services the Rheem Commercial Continuous Flow - 27L Internal across the Sunshine Coast, Brisbane, Bribie Island and Gympie — backed by our quality workmanship guarantee. Call 1300 728 122.
Enhance your commercial operations with the reliable and efficient Rheem Commercial Continuous Flow - 27L Internal water heater. Contact SunCity Hot Water today to discuss how this solution can meet your business needs.

Key Features
84% Efficiency
With an efficiency rating of 84%, the Rheem 27L Internal provides optimal performance while reducing energy consumption. Lower operational costs and a smaller carbon footprint make this unit an environmentally responsible choice for businesses.
Reduced Water Wastage at Start-Up
The innovative design minimises water wastage during start-up by quickly delivering hot water to taps. This enhances efficiency and user satisfaction, making it ideal for high-demand commercial environments.
Temperature Delivery of Up to 82°C
Engineered for commercial settings, the unit can reach 82°C, meeting sanitising requirements essential for industries such as hospitality and healthcare.

High Energy Efficiency
The Rheem 27L Internal boasts a 6-star energy rating with 84% thermal efficiency, supporting reduced energy costs and a smaller environmental footprint for your business.
Constant Temperature Delivery
Featuring Rheem Q Factor® technology, the unit maintains a consistent outlet temperature, reducing cold water interruptions and ensuring reliable hot water delivery during busy operations.

Compatibility with Other Systems
Compatible with solar, heat pump, and waste heat systems, and equipped with EZ Link® capability, this unit allows connection of two heaters to increase capacity and provide redundancy for growing businesses.
Installation, Maintenance & Warranty
Installation

Professional installation by a licensed technician is recommended to ensure compliance with Australian standards and local regulations. The compact internal design allows flexible placement suited to a variety of commercial environments.
Maintenance

Routine maintenance is essential for reliable performance. This includes periodic inspection of the heat exchanger, checking for faults, and verifying thermostat settings remain within recommended parameters. Following manufacturer guidelines will help extend the unit’s lifespan.
Warranty
Heat Exchanger: 5 years when thermostat ≤75°C; 12 months for settings above 75°C. Parts and Labour: 12 months
Frequently Asked Questions
What is Flame Safe® technology, and how does it protect the system?
Flame Safe® technology detects faults within the heat exchanger and automatically shuts down the system to prevent potential hazards, ensuring safe operation in commercial settings.
Does the Rheem 27L model provide frost protection?
Yes, frost protection is included, making the unit suitable for low-temperature environments and supporting year-round reliability.
Can the Rheem 27L be used for sanitising applications?
Yes, when set to 82°C, the Rheem Commercial Continuous Flow – 27L Internal meets sanitising requirements for industries such as food service and healthcare.
Is gas hot water cheaper than electric?
Gas hot water is often cheaper to run than peak-rate electricity, particularly for larger households. Continuous-flow gas only heats water on demand, avoiding the standby heat loss of a storage tank. Actual running costs depend on your gas rates and usage.
How does gas hot water work?
A gas hot water system burns natural gas or LPG to heat your water — either instantly as it flows through a continuous-flow (tankless) unit, or stored in a heated tank ready for use.
How long do gas hot water systems last?
Gas hot water systems typically last around 10–12 years with regular servicing. Continuous-flow units often last longer than storage models.
What size gas hot water system do I need?
Continuous-flow gas systems are sized by flow rate (litres per minute) based on how many hot water outlets run at once; gas storage systems are sized by tank capacity. SunCity will match the right unit to your household's peak demand.
How much does it cost to install a hot water system?
SunCity Hot Water quotes all-inclusive pricing — supply, installation by licensed plumbers and electricians, tempering and pressure-relief valves, removal of the old unit, QBCC fees and GST — with no hidden extras. Call 1300 728 122 for a fast quote.
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