Viadrus U32 fireclay nozzle for tertiary air supply
Viadrus U32 fireclay nozzle, fireclay brick center rear
Compatible with the cast iron boiler: Viadrus U32
Why does fireclay break down over time?
Due to the large proportion of mineral substances, fireclay also has a small disadvantage:
It is relatively brittle.
Due to continuous high heat exposure, it eventually develops cracks.
These are initial signs of material stress, but not yet a reason for replacement.
Fireclay should only be replaced when parts of the material fall out and the protection of the stove can no longer be guaranteed.
During fireplace maintenance, the fireclay should therefore always be checked.
Two questions keep coming up in this context:
Is a broken fireclay brick after prolonged firing a warranty case?No.
The firebox lining is treated as a wear part.
Does the stove manufacturer, the chimney sweep, or the dealer have to replace the fireclay brick?
Here too, the answer isa clear no.
The operator of the stove is responsible for the firebox lining themselves.
You could hire a professional for this, but if you have manual skills, you can also do the replacement yourself.
Another good news: The replacement material is considerably cheaper than you might think.
Viadrus U32 fireclay nozzle for tertiary air supply
What exactly is fireclay?
The term "fireclay" (also "chamotte") is often used synonymously for refractory bricks. When the expert speaks of fireclay, they mean a natural product, a refractory material. It is highly heat-resistant and has excellent heat storage properties, ideal for fireplace and stove construction.