Wood Pellet Boiler MCZ musa Published November 30, 2011 at 580 × 350 in MCZ Wood Pellet Boilers Next → MCZ Musa Available as 15 kW or 22 kW boiler operating to 92.5% efficiency. The 22 kW boiler can heat up to 550 M3 Tweet Post a comment or leave a trackback: Trackback URL.