Description
Are you searching for a reliable gas heater that delivers continuous hot water without a bulky storage tank? The Dux Always Hot 21 Litre Non Condensing continuous flow hot water heater provides the ultimate on-demand heating solution for medium and large families in Western Sydney. This advanced system only heats water when you turn on a tap. Consequently, you will notice significant energy savings on your monthly gas bills. We invite you to explore the range at our online store to find the perfect fit for your home.
We designed this continuous flow gas system specifically for outdoor wall installation. Homeowners in Blacktown, Mount Druitt, and Seven Hills love this compact model because it mounts easily to any external wall. It completely frees up your indoor space. Additionally, its small footprint keeps the installation looking clean and modern. Therefore, this system represents a highly practical and efficient hot water option for your property.
Why Choose the Dux Always Hot 21 Litre Non Condensing in Western Sydney?
This specific gas heater boasts an impressive 6.1-star energy rating to minimize your daily running costs. This system delivers 21 litres of hot water per minute to keep up with your busy household demands. Users will enjoy endless hot water because the unit heats on demand. Additionally, we stock the 50-degree preset model to prevent accidental scalding at the tap. However, you can also special order the 60-degree preset version if you prefer higher temperatures. This outstanding system meets your home gas heating requirements perfectly.
Product Specifications
- System Type: Continuous Flow Gas Hot Water Heater
- Flow Rate Capacity: 21 Litres per minute
- Standard Gas Type: Natural Gas (LPG models available)
- Model Numbers (Natural Gas): 21ENB5N (50°C preset) or 21ENB5L (60°C preset)
- Model Numbers (LPG): 21ENB6N (50°C preset) or 21ENB6L (60°C preset)
- Energy Star Rating: 6.1 Stars
- Installation Location: Outdoor only
- Height: 520 mm
- Width: 350 mm
- Depth: 170 mm
Reliable Warranty Information
The manufacturer backs the Dux Always Hot 21 Litre Non Condensing with an outstanding domestic warranty. You will get great peace of mind with the following coverage:
- Heat Exchanger: 12-year warranty on the component.
- Parts & Labour: 3-year full warranty on parts and labour.
Our professional plumbers handle all local installations to ensure you maintain full warranty compliance.
Government Rebates (NSW Only)
Purchasing an energy-efficient gas heater can qualify you for financial incentives in New South Wales. If you select our “Supply and Installation” package, we will assign both federal STCs (Small-scale Technology Certificates) and state ESCs (Energy Savings Certificates) directly to us. Consequently, you receive this benefit as an immediate, convenient point-of-sale discount.
However, if you choose a “Supply Only” purchase, you must claim the STCs yourself after installation. Contact us today to check your rebate eligibility.
Shipping and Fast Local Delivery Details
We deliver directly to Blacktown, Mount Druitt, Seven Hills, and the wider Western Sydney area. For “Supply and Installation” orders, our plumbers will carry the system directly to your property on the scheduled day.
You can browse our hot water shop to check prices. Alternatively, call us today for fast, same-day emergency hot water replacements.
Dux range brochure
Dux Always Hot Continuous Flow owner’s manual



