Wood chip boiler T4e 20 with electrostatic particle separator, stoker on the left, rated heat output: 20 kW, permissible operating pressure: 4 bar, permissible operating temperature: 90 °C, boiler weight: 740 kg, boiler width: 640 mm, boiler depth: 1475 mm, boiler height: 1490 mm, flue spigot diameter: 149 mm, flow/return IT: 1 1/4"