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Backed by a 5-year manufacturer’s parts warranty. Included documentation and warranty conditions are shown on the product page. Professional installation may be required.
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The BRIVIS STARPRO EXT GAS DUCT HEATER 21kW 4 WK-SP421ENV4* is a high-efficiency external gas ducted heater designed to provide powerful, consistent heating for medium to large residential or commercial spaces. With its 4-star energy rating, it delivers excellent performance while maintaining low running costs.
Capacity: 21kW – ideal for medium to large homes, offices, or commercial areas
Energy Rating: 4* – energy-efficient performance for reduced operating costs
Power Supply: 3 Phase – ensures stable and efficient energy delivery
Design: External ducted heater designed for durability and easy outdoor installation
Performance: Provides rapid and even heating across all connected ducted zones
Efficiency: Inverter technology and smart controls for optimized energy use
Comfort: Ensures consistent temperature control for reliable year-round heating
Perfect for energy-conscious households or businesses, the Brivis StarPro External Gas Duct Heater 21kW 4* combines reliability, efficiency, and professional-grade performance.
AC Hub Direct supplies products through an extensive network of supplier warehouses and distribution centres across New South Wales and Victoria, helping us provide access to a wide range of HVAC systems, components, spare parts, and accessories.
As inventory is shared across multiple warehouse locations and supplier networks, live stock quantities are not displayed on our website.
Once your order is placed, our team will verify stock availability during processing, which typically occurs within 24–72 business hours. Most in-stock items are dispatched promptly following confirmation.
While stock levels are updated regularly, availability may occasionally change due to supplier inventory movements and customer demand. If a product becomes unavailable after purchase, our team will contact you as soon as possible to discuss suitable alternatives, estimated lead times, backorder options, or a full refund.
For urgent projects or time-sensitive orders, we recommend contacting our team prior to purchasing to confirm current stock availability.
Direct Delivery or Selected NSW & VIC Pickup
Review the delivery or pickup methods available for your order at checkout.
Pickup (NSW & VIC)
Pickup may be available through selected partner locations in New South Wales and Victoria. The collection location, date and instructions are confirmed after stock and order processing.
Large or freight-heavy items may require additional preparation time.
For details, refer to our Pickup Information page.
Delivery
Processing and delivery timeframes are estimates and depend on payment confirmation, stock, product type, postcode and carrier availability. Shipping charges, when applicable, are shown at checkout.
For details, visit our Shipping & Delivery page.
We want you to purchase with confidence.
Returns, exchanges, and refunds are available in accordance with Australian Consumer Law and our Returns & Refund Policy.
Please ensure the product selected is suitable for your application before ordering, as change-of-mind returns may be subject to approval and restocking fees where applicable.
For full return eligibility, warranty claims, and refund information, please refer to our Returns & Refund Policy.
All air conditioning and heating systems sold by AC Hub Direct are supplied with a 5-Year Full Manufacturer's Warranty, covering eligible parts and components in accordance with the manufacturer's warranty terms and conditions.
To maintain warranty validity, installation must be carried out by appropriately licensed and qualified professionals and in accordance with the manufacturer's installation requirements and applicable Australian standards.
If you experience an issue with your product, please contact AC Hub Direct with your order details, proof of purchase, and a description of the issue. Our team will assist with the warranty process and liaise with the manufacturer where required.
This warranty is provided in addition to your rights under the Australian Consumer Law, which cannot be excluded.
For more information, please visit our Warranty page.
