The MB4 achieves its four star efficiency with its multi tube heat exchanger combined with a modulating gas valve which minimises gas usage.

Benefits of Bonaire MB4 Units

• Modulating gas valve automatically adjusts gas rate as the home approaches set temperature = reduced energy bills
• Auto adjusting variable – speed room air fan further enhancing the benefit of modulation and energy savings
• Integrated four zone control standard, heat only the rooms you need when you need them ***
  Unit can run as low as 10% of its total capacity.
• Induced draft combustion for improved energy efficiency
• Electronic ignition – no pilot light
• Quiet efficient operation
• Engineered for Australian conditions
• Compatible with York Dual Cycle systems
• Option of 8 integrated zones
• Easy Installation

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**4 Zones standard with an option for 8. Zone motors supplied and installed by air conditioning retailer at additional cost. Zone dampers and motors supplied by installer at additional costs