Cast iron
Kretz cast iron fireplace inserts are cast in traditional czech foundry VIANDRUS in Bohumín. Thanks to quality of this material, our inserts have a long and unproblematic service life and the whole KRETZ L series has a 4 years warranty. Doesn't matter if you need a fireplace insert for your lowenergy house or a heavy duty worker for your cottage with large power reserve, there is a suitable L insert for everybody.