Dux Always Hot 21 Litre (Condensing)

Description

Hot water shouldn’t be complicated. The Dux Always Hot 21 Litre provides instant hot water whenever you need it—no tank, no delays, no compromise.

This outdoor continuous flow unit heats water as it passes through, ensuring your shower, kitchen, and bathroom always have hot water available. Whether you live in Penrith, Emu Plains, Kingswood, or across the Greater Nepean, this system meets your household requirements without waste.

The 50°C preset temperature balances comfort with energy efficiency. Condensing technology captures heat that conventional systems lose, resulting in lower gas bills and reduced environmental impact.

Penrith Hot Water recommends this model for smaller households and apartments seeking reliability without complexity. Our customers throughout the Greater Nepean area trust this system’s consistent performance and affordability. The natural gas version suits most residential applications across Penrith and surrounding suburbs.

Why Choose This Product?

• Instant hot water on demand—no storage tank required
• Energy efficient 6.7 star rating reduces gas costs
• Condensing technology recovers waste heat
• Compact outdoor design suits most properties
• Reliable natural gas operation
• Extended 12-year heat exchanger warranty
• Expert local support from Penrith Hot Water
• Government rebates available through STCs

Product Details

Type: Continuous Flow Hot Water Heater
Capacity: 21 litres per minute
Gas type: Natural Gas
Temperature preset: 50°C (60°C model available on request)
Energy rating: 6.7 stars
Installation: Outdoor mounted
Flow rate: 21 L/min

Model numbers:

Natural Gas (50°C): 21ECB5N
Natural Gas (60°C): 21ECB5L
LPG (50°C): 21ECB6N (available on request)
LPG (60°C): 21ECB6L (available on request)

Technical Specifications

Star rating: 6.7
Flow capacity: 21 litres per minute at 50°C rise
Temperature control: Electronic preset at 50°C or 60°C
Ignition: Electronic spark ignition
Burner type: Modulating condensing burner
Flue type: Balanced flue (room sealed)
Installation location: Outdoor only

Dimensions

Height (excluding brackets): 520 mm
Width: 350 mm
Depth: 170 mm

Note: Mounting brackets supplied. Professional installation recommended for proper venting and gas connection compliance.

Warranty Information

Heat exchanger: 12 years (warranty conditions apply)
Parts and labour: 3 years (warranty conditions apply)

Your investment is protected. Dux’s extended warranty reflects this system’s quality and reliability. Full warranty terms and conditions are available upon request.

STC Information

All supply and installation prices include STCs assigned to us as a point-of-sale discount.

All supply only prices require the customer to claim the STCs themselves.

What Are STCs?

Small-scale Technology Certificates (STCs) are Australian government rebates on eligible hot water systems. The Dux Always Hot 21 Litre qualifies, reducing your overall cost.

Your Options

Supply and Installation: STCs are applied at checkout—no paperwork needed.

Supply Only: You’ll claim the STCs yourself. We’ll provide the documentation.

For current rebate amounts on the Dux Always Hot 21 Litre, contact Penrith Hot Water for a free quote.

Downloads

Dux range brochure
Dux Always Hot Continuous Flow owner’s manual

Ready to Upgrade?

Get reliable hot water today. Contact Penrith Hot Water for a free quote on the Dux Always Hot 21 Litre Continuous Flow Hot Water Heater.

Servicing Penrith, Emu Plains, Kingswood, and the Greater Nepean with professional installation and expert support. Call us or request a quote online—same-day response guaranteed.