
Guidelines for how to select central heating equipment. How to choose the optimum boiler nominal output? How to protect the boiler and the central heating system? Why install a four-way mixing valve? That and more you will learn from the central heating guide.
5th class solid fuel fired boilers according to PN-EN 303–5:2012 norm. The automatic coal boilers meet the most restrictive 5th class emissions standards and thermal efficiency.