Flue systems
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Flue systems

Cox Geelen designs, develops and produces air inlet and flue gas outlet systems for numerous heating related products, but particularly condensing and non-condensing boilers. We offer a very wide range of products to meet most demands.

Flue systems

Our product range of flue systems and components includes:

  • Plastic PP - in single pipe and in concentric formats
  • Aluminum - in single pipe and in concentric formats
  • Stainless Steel - in pipe and concentric formats
  • Prefab chimneys - multiple function inlet and exhaust
  • Communal Flue Systems (CFS) - in naturally vented and fan-assisted pressure

Our single wall plastic flue system CoxDENS® is available in:

Concentric PP CoxDENS systems

CoxDENS® connecting material

  • CoxDENS® fire resistant wall plate with fire collar read more
  • CoxDENS® wall and ceiling connection plates read more

Under the brand name ECONEXT® we produce a range of roof and wall terminals.

  • ECONEXT® roof terminals, especially designed for connection to condensing boilers.
  • The round chimney ECONEXT® Qi, for use in serial housing, single-family homes, fits on any roof.
  • ECONEXT® Chimney cover, the innovative and modern outlet for mounting on a chimney pot or on masonry chimneys.
  • ECONEXT® wall terminals, for a safe connection on any type of condensing boiler (T120), with or without adapter or bend.
  • ECONEXT® Retrofit muurdoorvoer, designed for renovation projects.
  • Prefab chimneys for high rise buildings, made to order.
  • CoxCombi® Prefab chimney for single family homes. A solution that fits on any roof. In this all-in-one chimney all outlets are connected, i.e. flue gas, air supply, mechanical ventilation, the heat recovery unit and even the sewage vent.

Aluminium flue gas systems:

High temperature systems

  • CoxEMAI® single pipe enameled steel.
  • CoxINOX® twin wall isolated modulair stainless steel flue sytem 316L/304
Complete systems
Cox Geelen offers components and complete systems. A system starts at the boiler where the flue system is connected to the boiler by means of an adapter or boiler connector and ends with a roof terminal or wall terminal.
Cox Geelen concentric flue systems
Cox Geelen concentric flue systems
Econext Chimney Cover
Econext Chimney Cover
Cox Geelen CoxDENS PPs flexible flue system
Cox Geelen CoxDENS PPs flexible flue system
Cox Geelen ECONEXT wall terminals
Cox Geelen ECONEXT wall terminals
Cox Geelen CFS Communal flue systems
Cox Geelen CFS Communal flue systems