The water does not heat up properly in a stove with a water tank.
Is there too much draught?
The flames reach into the connecting pipe, which is red hot, although the lower end of the stove
within the mantle is not red. See chapter 3.2 about draught adjustment and heat output.
Is the stove sized according to instructions?
Black flakes collect beneath the stove.
The stones may be weathered.
The flakes may be metal flaking off the stove. The stove has been heated too intensely at a red
heat.
The metal flakes off and the stove will break down prematurely.
There is a smell of sulphur in the sauna.
Traces of sulphur have remained on the stones from the quarry’s explosion or the stones are
naturally sulphurous.
6. Manufacturer's declaration
www.helo.fi/
DoP
This product fulfils claims mentioned in the certificate of approval and documents related to it.
Appendix 1
7. Warranty and manufacturer identification
WARRANTY
Kastor products are high quality and reliable. Helo Oy grants a 3 year factory warranty to its
Kastor wood-burning sauna heaters covering manufacturing defects.
Damages caused by incorrect use or use which is not in accordance with instructions will not
be covered by the warranty. See chapter2.9 and 3.
MANUFACTURER
HELO OY, Tehtaankatu 5 - 7, 11710 Riihimäki, Finland
Tel. +358207560300, e-mail: info@helo.fi
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