The BONAIRE GAS DUCT HEATER INT/EXT 20kW 4 WK-MB420U* is a high-capacity internal/external gas ducted heater designed for medium to large residential or commercial spaces. Featuring a 4-star energy rating, it delivers reliable, energy-efficient heating with flexible installation options.

Capacity: 20kW – ideal for medium to large homes, offices, or commercial areas

Energy Rating: 4* – high energy efficiency for lower running costs

Power Supply: 3 Phase – stable and efficient energy delivery

Design: Internal/external ducted heater suitable for versatile installation locations

Performance: Provides rapid and even heating across all connected ducted zones

Efficiency: Engineered for energy-efficient operation without compromising comfort

Comfort: Ensures consistent temperature distribution for reliable year-round heating

Perfect for installations requiring flexible placement and high efficiency, the Bonaire Gas Duct Heater INT/EXT 20kW 4* combines durability, energy efficiency, and professional-grade performance.