21
20
mm
When shortening, pay attention
to the 20 mm difference.
Fig. 12
Flue cutting instruction
* Detailed instructions for measuring and cutting flue are included with our horizontal
flue
kit.
4.6 Installation data
4.6.1 Condensate
drain
The condensate drain from the boiler must be connected to a suitable wastewater
drainage point, preferably within the building. The connecting pipe and fittings must
be made of plastic material only. After assembly, fill the siphon with water. The slope
of the drain pipe should be at least 30 mm/m. If pipe runs are made external to the
building they should always be insulated.
