Baxi Luna Duo-tec Outdoor System 24kw
Baxi
Baxi Luna Duo-tec Outdoor System 24kW - Premium Central Heating for New Zealand Homes
Upgrade your home's comfort and energy efficiency with the Baxi Luna Duo-tec Outdoor System 24kW. Specifically engineered to withstand external Kiwi conditions, this outdoor condensing system boiler is the ideal space-saving heating solution for modern renovations and new builds alike. By installing the unit outdoors, you free up valuable indoor utility space while enjoying the whisper-quiet, high-performance hydronic heating that Baxi is world-renowned for.
The Smart Choice for NZ Trade Professionals & Homeowners
At the heart of the Baxi Duo-tec+ GA is its innovative Gas Adaptive (GA) valve technology. For trade installers, this is a game-changer. The self-commissioning system automatically adjusts to the gas type, making manual flue gas analysis obsolete. Simply power it up, confirm the gas type, and the boiler optimizes itself. This dramatically slashes installation and commissioning times, delivering trade-quality precision while reducing labor costs.
For New Zealand homeowners looking for highly efficient heating, the 1:7 modulation ratio ensures the boiler dynamically scales its heat output to match your home's exact climate demands. This prevents short-cycling, reduces wear and tear on components, and significantly lowers your household energy bills.
Key Features & Technical Benefits:
- Robust Stainless Steel Heat Exchanger: Built for maximum durability, heat transfer, and long-term corrosion resistance in NZ environments.
- Gas Adaptive Valve (GA): Fully automatic combustion control simplifies installation and guarantees optimal combustion efficiency.
- 1:7 Modulation Ratio: Seamlessly modulates power output to maximize fuel savings and maintain stable indoor temperatures.
- Integrated Domestic Hot Water Control: Supplied complete with a 3-way valve and actuator to easily manage an indirect domestic hot water cylinder (only a cylinder sensor is required).
- Outdoor-Ready Design: Frees up indoor floor space; includes an outdoor flue kit and an internal controller for effortless temperature management.
- Market-Leading Warranty: Enjoy total peace of mind with a generous 5-year warranty.
Technical Specifications:
- Model: 1.24 GA
- SKU: BXDT24O
- Output: 24kW
- Dimensions (H x W x D): 770mm x 470mm x 238mm
- Weight: 29kg
- Note: Water taps and the 90-degree gas tap must be ordered separately.
Get a Custom Central Heating Quote with Pratts
Because every New Zealand home has unique layout and heating requirements, the Baxi Luna Duo-tec 24kW is offered on a POA (Price on Application) basis. At Pratts, our experienced home heating specialists provide expert site inspections and consultations to design a tailored hydronic system that perfectly fits your property and lifestyle.
Ready to experience premium, reliable winter warmth? Contact the expert trade team at Pratts today to book your site inspection and receive a comprehensive, obligation-free installation quote.

