Negarra Coaxis W is a twin
wall flue system designed to be tight to water and
condensation. It can be used for conventional boilers
and condensation boilers with smoke exhaust and air
admission, both with gas or fuel oil.
Negarra Coaxis W is a twin
wall flue system designed to be tight to water and
condensation. It can be used for conventional boilers and
condensation boilers with smoke exhaust and air admission,
both with gas or fuel oil.
