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Fireplaces
Properly built fireplaces have suitably sized openings at the bottom and top of the casing ensuring a constant flow of convected air that guarantees a long-lasting problem-free usage.The layer of ash and residue of the burned...

Fireplace inserts with a water jacket

Each Hajduk’s fireplace insert with a water jacket before its despatch is subjected to a pressure tightness testing at the special inspection station.
The thermal efficiency in the inserts with a water jacket may reach 78%. Such good results have been reserved for the inserts heating with air only.
Hajduk’s inserts with a water jacket have their entire hearth lined with chamotte, thanks to which higher and more stable temperatures inside the combustion chamber can be achieved when compared to the inserts without chamotte lining.
Hajduk’s inserts with a water jacket have a cooler made from a special acid resistant steel corrugated coil. It additionally protects the system against overheating.
It is possible to order an internal heat exchanger as an accessory for the Hajduk’s fireplace inserts. It is a special corrugated coil of suitable length immersed in the water jacket. It allows for a simple connection to the central heating installation without the use of an external plate exchanger.
Volcano WL/WP inserts with a a water jacket oferred without a vertical corner post ensure modern stylistics of the fireplace. Due to the large door surface, however, they exceptionally require a suitably chosen chimney, which will ensure the correct chimney draught, burning of the dry and seasoned wood as well as the appropriate heating up of the fireplace-chimney system. Otherwise, during the opening of the door wing a considerable disturbance of the chimney draught may be created leading to the smoke reversing to the room and to the formation of other unfavourable effects.