Dux Proflo 125L Narrow Diameter
SunCity Hot Water supplies, installs and services the Dux Proflo 125L Narrow Diameter across the Sunshine Coast, Brisbane, Bribie Island and Gympie — backed by our quality workmanship guarantee. Call 1300 728 122.
Choose the Dux Proflo 125L Narrow Diameter for a durable and space-efficient hot water solution. Contact SunCity Hot Water today to learn more or schedule your installation.

Key Features
125L Proflo Now Available in a ‘Narrow Diameter’ Model
The Dux Proflo 125L is now offered in a narrow-diameter version, designed to maximise floor space without compromising hot water performance. Its innovative tall, slim profile makes it ideal for homes with limited installation areas.
V Fit Water Connections on Both Sides of the Tank Allow for Easier Installation
Featuring V-Fit water connections on both sides of the tank, the Proflo 125L Narrow Diameter simplifies installation. This design allows greater flexibility in tank positioning, making plumbing connections straightforward and ensuring a hassle-free setup.
Proflo Water Heaters Boast a Larger Anode to Increase Tank Life
Dux Proflo water heaters include a larger anode, enhancing tank longevity. This protects against corrosion and ensures the hot water system remains durable and reliable over time, providing long-lasting performance and peace of mind.
Product Documents
Exceptional Durability
The Dux Proflo 125L Narrow Diameter is constructed with Y-class commercial-grade enamel, providing superior protection against corrosion and wear. This robust build ensures reliable performance for years to come.

Moisture Resistance
Featuring a hard-wearing, rigid polymer base, the Proflo 125L Narrow Diameter resists damage and moisture, protecting it from environmental elements and enhancing its longevity.

Low Maintenance Needs
Designed for efficiency, the Proflo 125L Narrow Diameter minimises maintenance needs, allowing you to enjoy dependable hot water without frequent servicing.
Installation, Maintenance & Warranty
Installation
The Dux Proflo 125L Narrow Diameter features V-Fit water connections on both sides, offering flexible installation options. This design makes it easy for plumbers to connect the water supply, ensuring a quick and straightforward setup suitable for both indoor and outdoor locations.
Maintenance

Built for efficient operation, the Proflo 125L Narrow Diameter requires minimal maintenance. Its durable construction and high-quality materials reduce the need for frequent servicing, providing reliable hot water with minimal upkeep.
Warranty

The Dux Proflo 125L Narrow Diameter is backed by a 10-year tank warranty, reflecting its durability and quality. It also includes a 1-year warranty on parts and labour, offering comprehensive coverage and peace of mind.
Frequently Asked Questions
Can the Dux Proflo 125L Narrow Diameter be installed indoors or outdoors?
Yes, the Proflo 125L Narrow Diameter is suitable for both indoor and outdoor installation, offering flexibility to suit a variety of home layouts and preferences.
Will I experience consistent water pressure with this hot water system?
Yes, the Proflo 125L Narrow Diameter is designed to maintain full flow pressure to all outlets, ensuring a reliable and powerful hot water supply throughout your home.
Is the Dux Proflo 125L Narrow Diameter made in Australia?
Yes, this hot water system is proudly manufactured in Australia, reflecting a commitment to local production and high-quality standards tailored to Australian conditions.
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 Narrow Diameter.
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.
Australia's Leading Hot Water Brands
We supply, install & service all major brands.
OMNI X Hot Water Systems
Rheem Hot Water Systems
AquaMAX Hot Water Systems
iHeat Solar Hot Water
iStore Heat Pump Hot Water
Apricus Solar Hot Water
Reclaim Residential
Vulcan Hot Water Systems
Haier Heat Pumps
EvoHeat Heat Pumps
Thermastore
Rinnai Hot Water Systems
Bosch Hot Water Systems
Stiebel Eltron Water Heater
Dux Hot Water SystemsNeed hot water fast?
Get a free quote today — same-day service available across SE QLD.
