Rheem Heavy Duty Gas 275L Indoor
SunCity Hot Water supplies, installs and services the Rheem Heavy Duty Gas 275L Indoor across the Sunshine Coast, Brisbane, Bribie Island and Gympie — backed by our quality workmanship guarantee. Call 1300 728 122.
Contact SunCity Hot Water today to discuss how the Rheem Heavy Duty Gas 275L Indoor water heater can meet your business's hot water needs with reliability and efficiency.

Key Features
Multi-Fin™ Technology
This innovative design maximises heat transfer, delivering faster and more efficient water heating while reducing wait times for hot water.
Flue Damper
The built-in flue damper enhances heat retention, improving energy efficiency and reducing operating costs.
Digital Adjustable Thermostat
Allows precise temperature control up to 82°C, making it suitable for sanitisation applications and maintaining safe hot water standards.
Product Documents

Durability and Longevity
Multiple anodes combined with a double vitreous enamel coating provide superior corrosion resistance, extending the water heater’s service life in demanding commercial settings.

Commercial-Grade Performance
Designed specifically for commercial use, the robust construction supports heavy workloads and frequent operation, ensuring a dependable hot water supply.

Built-in BMS Integration
The integrated Building Management System (BMS) enables seamless connection to building controls, allowing efficient monitoring, management, and optimisation of hot water consumption and system performance.
Installation, Maintenance & Warranty
Installation

Installation is straightforward when performed by a qualified professional. Proper setup ensures minimal downtime and allows your hot water system to operate effectively from day one.
Maintenance

Regular maintenance is essential to keep the Rheem 275L operating at peak performance. Professional maintenance services include inspections, servicing, and necessary repairs to extend the system’s lifespan and maintain reliable operation.
Warranty
The water heater comes with a 5-year warranty on the cylinder against defects and corrosion, along with a 12-month warranty on parts and labour.
Frequently Asked Questions
How does the built-in BMS benefit my hot water system?
The BMS allows integration with your existing building management system, providing improved monitoring, control, and energy efficiency.
How do I know if the unit is functioning properly?
A consistent hot water supply, absence of unusual noises, and no leaks indicate normal operation. If issues arise, contact SunCity Hot Water for a professional inspection.
How does the Rheem Heavy Duty Gas 275L ensure durability?
The storage cylinder is protected by multiple anodes and a double layer of vitreous enamel, reducing corrosion and ensuring longevity even in demanding commercial environments.
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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