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Manufacturer's warranty terms vary by brand and product, and some manufacturers require purchase from a dealer they have authorised, so please ask us for the published terms before you buy. Installation by an appropriately licensed technician is required.
Got questions? Ask for product information
The Bonaire MB420U is a 20kW gas ducted heater from the Bonaire MB4 range, with a 4 star gas energy rating and an INT/EXT configuration. That means the cabinet can be installed internally or externally.
Flexibility in where the cabinet goes is useful when the roof space is tight, or when an outdoor position gives a shorter, simpler duct layout. Wherever it sits, the heater warms air and its fan pushes it through supply ducts to outlets in each room, with air coming back through a central grille and duct. The flue arrangement differs between an internal and an external position, so that decision is made when the installation is designed. Installation, gas connection and flueing must be carried out by a licensed gasfitter.
Decide on an internal or external position before ordering and check the flue route and clearances for it. Confirm the property's gas type against the heater, as the listing does not give one, and have a heat load assessment confirm 20kW suits the home.
We don't show live stock levels on our website, because our products are held by our suppliers in New South Wales and Victoria. Stock is confirmed with the supplier when your order is processed. If an item is unavailable or delayed, we will contact you by phone or email to offer an alternative, an expected dispatch date or a full refund, whichever you prefer.
AC Hub Direct does not run its own warehouse. Orders are dispatched from our suppliers' warehouses in New South Wales and Victoria, usually from the location nearest to you that has stock.
See our Shipping and Delivery Policy for full details.
Change of mind: request a return within 14 days of delivery. Items must be unused, uninstalled and in their original unopened packaging. A 15% restocking and administration fee applies, you pay the return freight, and the original delivery charge is not refunded.
Cancellations: if you cancel before your order is dispatched, we refund it less a 4% administration fee, which covers payment processing costs. Once an order is dispatched, a cancellation is handled as a change-of-mind return.
Faulty, damaged or incorrect items: no restocking fee, and we cover the return freight. Your rights under the Australian Consumer Law apply.
See our Returns and Refunds Policy for full details.
Manufacturer's warranty terms vary by brand, and some manufacturers require installation by a licensed technician or purchase from a dealer they have authorised, so please ask us for the manufacturer's published warranty terms before you buy; your rights under the Australian Consumer Law are not affected. The warranty period and what it covers are set out in the manufacturer's warranty documentation.
Refrigerant-based systems must be installed by an ARC-licensed technician, gas appliances by a licensed gasfitter, and electrical work by a licensed electrician. Manufacturers may refuse warranty claims where installation does not meet these requirements.
If you have a problem, contact us with your order number and a description of the fault, and we will help you with the claim.
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. See Warranty Information.
