A 150mm black twin-wall test length pipe, often used with twin-wall flue systems, is a specialized section of pipe designed with a built-in test point or inspection port. This allows for safe and easy access to the flue way for testing gas and draft samples or inspecting the flue for blockage or debris.
The inner and outer pipes are separated by a layer of insulation, providing a higher level of protection and efficiency.
Consists of an inner pipe for conveying gases, and an outer pipe for structural support and insulation.
A layer of insulation between the inner and outer pipes helps maintain temperature, prevent condensation, and improve safety.
Made from stainless steel, offering corrosion resistance and durability.
Twin wall flue can be installed internally or externally
For use on solid fuel and gas/oil appliances. eg: woodstoves, gas coal effect fires, oil boiler and any solid fuel appliances.
Outer skin is made from 304 grade stainless steel. Inner skin is made from 316 grade stainless steel. Insulation is compressed Rockwool.
HETAS Approved and is CE marked.