Flue pipes

Flue systems for gas water heaters – safe, compatible and compliant

A flue system is an essential component of gas water heaters, LPG heaters and boilers. It safely removes combustion gases and prevents carbon monoxide from entering indoor areas. Choosing the correct flue system is crucial for safety, efficiency and compliance with UK building regulations.

This category includes flue solutions for open-flue and room-sealed water heaters, including wall and roof exit kits.

Choosing the right flue system

A flue gas system consists of pipes, bends, terminals and caps. Depending on the appliance type, you may need:

a concentric flue system for room-sealed heaters

a single-wall flue for open-flue heaters

🔍 Use the model filter to quickly find flue systems that are compatible with your specific water heater model.

Smart filter usage (model-based selection)

Filters allow you to select by:

heater brand and model

flue type (concentric or single-wall)

wall or roof exit

complete flue kits or individual components

This ensures the flue system fits your appliance and meets safety standards.