Dovre ASTRO 3CBP PEGASUS Mode D'emploi page 52

Minimum distances for versions with heat shield:
1. Combustible material
2. Incombustible material, thickness 100mm
ASTRO 4 LEON
Minimum distances for versions without heat shield:
If the distance between the connecting tube and combustible materials is less than 300 mm the
connecting tube should be protected.
1. Combustible material
2. Incombustible material, thickness 100mm
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Subject to change because of technical improvements