Dux Proflo 125L
SunCity Hot Water supplies, installs and services the Dux Proflo 125L across the Sunshine Coast, Brisbane, Bribie Island and Gympie — backed by our quality workmanship guarantee. Call 1300 728 122.
Enhance your hot water system with the Dux Proflo 125L electric storage water heater, built for durability and consistent performance. Supported by a 10-year tank warranty, it offers long-lasting reliability. Contact SunCity Hot Water today to learn more about the Proflo 125L and its benefits for your household.

Key Features
Easy Installation with Versatile Connections
The Dux Proflo 125L is designed for hassle-free installation, featuring water connections on both sides of the tank. This flexibility makes it easy to integrate into existing plumbing systems, ideal for both new installations and replacements. Whether retrofitting an existing unit or fitting into a new build, the Proflo 125L simplifies the process.
Low Maintenance and Extended Service Life
Built for durability, the Proflo 125L requires minimal maintenance. Its commercial-grade Y-class enamel and thicker anode resist corrosion, extending the tank’s lifespan and reducing service interruptions, ensuring a reliable hot water supply.
Full Flow Pressure to All Outlets
The Proflo 125L maintains full water pressure to all outlets, providing consistent hot water wherever it’s needed. This ensures comfort during showers, dishwashing, or when multiple appliances are in use simultaneously, supporting households with higher hot water demands.
Product Documents

Manufactured in a Noritz Facility
The Dux Proflo 125L is proudly manufactured in a Noritz facility, ensuring high standards of quality and durability. Innovative production techniques and strict quality control deliver a dependable water heating solution you can rely on.

Hard Water Option Available
The Proflo 125L is available with a hard water option, designed for areas with high mineral content. This helps reduce limescale build-up and extends the unit’s lifespan, providing a reliable hot water solution for homes in hard water regions.
Installation, Maintenance & Warranty
Installation
The Proflo 125L is designed for easy installation, with water connections on both sides of the tank. This flexibility allows for simple plumbing arrangements, whether retrofitting an existing system or installing in a new property.
Maintenance

Built for durability, the Proflo 125L requires minimal maintenance. Its Y-class enamel coating and thicker anode provide excellent corrosion protection, extending the tank’s service life and reducing the need for regular maintenance.
Warranty

The Dux Proflo 125L comes with a 10-year tank warranty and a 1-year warranty on parts and labour. All Dux water heaters are backed by the Marathon® Warranty, reflecting a commitment to quality and customer satisfaction. High-strength steel, commercial-grade enamel, and advanced cylinder technologies ensure lasting durability, while daily leak testing enhances reliability.
Frequently Asked Questions
What is the tank size of the Proflo 125L?
The Proflo 125L has a 125-litre tank, making it suitable for medium-sized households.
What energy supply options are available for the Proflo 125L?
The Proflo 125L is available with 1.8 kW and 3.6 kW options, allowing you to choose the power level that best suits your household needs.
How many people can the Proflo 125L accommodate?
The Proflo 125L is designed to serve 2 to 3 people effectively, making it ideal for small families or shared living arrangements.
How much does a new hot water system cost?
The cost of a new hot water system depends on the type and size. Electric storage systems are the most affordable upfront, while heat pump and solar systems cost more but save on running costs and may qualify for rebates. Call SunCity Hot Water on 1300 728 122 for an all-inclusive supplied-and-installed quote on the Dux Proflo 125L.
How long does a hot water system last?
Most hot water systems last 8–12 years. Electric storage systems typically last 8–10 years, while heat pump and solar systems can last 15 years or more with regular servicing.
What size hot water system do I need?
As a guide, 1–2 people suit 125–160L, 3–4 people (a family of four) suit 250–315L, and larger households suit 400L. Continuous-flow gas units are sized by hot water flow rate instead. SunCity will help size the right system for your household.
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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