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Double wall concentric pipes for individual and collective installation of condensation boilers, suitable for indoor use, made as follows:

- internal wall made of polypropylene with a minimum thickness of 2 mm
- external wall made of galvanized painted steel with a thickness of 0.5 mm

They are compatible with all most common boiler models on the market and allow the evacuation of exhaust gases being resistant to acid condensation. They can also be used in the air channeling of solid and / or liquid fuel generators.

The pipes reach a working temperature up to 120°C and work in positive pressure resisting up to H1 equal to 5,000 Pa  by using the supplied EPDM gaskets.

The range includes high-performance cowls made of black polypropylene or nylon with UV filter to ensure durability and efficiency even in adverse weather conditions.

Available in the 60/100 and 80/125mm diameters.


Apros S.r.l. - Società a responsabilità limitata a socio unico

Via lago del centro cadore, 3

arsego / padova / italy

T. +39 049 933 00 63



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