Concentric flue gas systems
Our concentric flue gas systems can be used with oil and gas fired fan-assisted heating devices.
There are 2 complete product ranges available: CoxDENS® and CoxCentric®.
CoxDENS® - Concentric plastic flue gas systems
CoxCentric® - Concentric metal flue gas systems
Concentric plastic flue gas systems
PP/Plastic with CONNEXT X3 connection
CoxDENS® with CONNEXT X3 is a concentric plastic/PP flue gas system with the patented CONNEXT® X3-connection.
CoxDENS® with CONNEXT X3 is especially designed for condensing heating appliances.
PP/Aluminium with CONNEXT X7 connection
CoxDENS® with CONNEXT X7 is a concentric PP/Alu push-fit flue system
with the special CONNEXT® X7-connection,
designed for use with condensing heating appliances.
PP/Aluminium with sealing ring
CoxDENS® PP/Alu is a concentric plastic/aluminium flue gas system with sealing ring,
comprising of a PP flue outlet pipe and an aluminum outer air inlet pipe.
The flue system is especially designed for use with modern condensing heating appliances.
Concentric metal flue gas systems
Aluminium/Aluminium with CONNEXT X7 connection
CoxCentric® Alu/Alu with CONNEXT X7 is a concentric metal flue gas system
with the patented CONNEXT® X7 connection and is
designed for use in combination with condensing (W) and non-condensing (D) heating appliances.
Aluminium/Aluminium with sealing ring
CoxCentric® Alu/Alu is a concentric metal flue gas system with sealing ring
and is designed for use in combination with condensing (W) and non-condensing (D) heating appliances.
Stainless Steel/Aluminium with sealing ring
CoxCentric® SS/Alu is a concentric metal flue gas system with sealing ring
and is designed for use in combination with condensing (W) and non-condensing (D) heating appliances.