Chimney pipe and Vent pipe

Vent pipe and chimney pipe are semantically related in flue topic. In some cases you can use "Vent pipe" instead a noun "Chimney pipe", when it comes to topics like flue pipe.

Chimney pipe and vent pipe are semantically related in flue topic. You can use "Chimney pipe" instead a noun phrase "Vent pipe", if it concerns topics such as flue pipe.