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Different countries may have different minimum distances than indicated further. You can ask installer or chimney
sweep for information about it.
•
Minimum distance from wall of boiler and chimney to material of average flammability must be at least 600
mm.
Minimum distance from flammable materials must be at least 200 mm. If flammability is unknown, 200 mm
•
distance must be preserved.
Flammability of materials
A – non-flammable
B – not easily flammable
C1 – hardly flammable
C2 – average flammability
C2 - flammable
Boiler is installed according to distance from walls indicated in illustration:
Boiler must be installed on non-flammable, even and horizontal basis or foundation. Separation seals made from non-
flammable material can be placed under boiler if it is needed. If a foundation is not completely horizontal, side (back)
connection can be installed 5 mm higher to facilitate the air supply and flow.
Foundation should be larger than pad of boiler: at least 300 mm from front and about 100 mm from other sides.
Installation of boiler requires regular tools, used by installers of heating, liquid fuel and water systems.
1.6. Minimum distance and flammability of materials
Asbestos, rocks, bricks, ceramic tiles, calcined clay, construction mortar, plaster
(without organic additives)
Plaster cardboard panels, basalt felt mats, panels AKUMIN, IZOMIN, RAJOLIT, "lignos",
VELOX and "Heraclitus"
Felt mat covered with beech wood oak wood, panels HOBREX, VERZALIT, "Formica"
Wood of pine, larch and spruce also products covered with such wood
Asphalt, cardboard, cellulose materials, bituminized paper, hard panels, cork,
polyurethane, polystyrene, polypropylene, polyethylene, hay
1.7 Tools for cleaning and installation
A 1 000 mm
B
600 mm
C
600 mm
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