The Warmflow 3543 (Part code: F3) is a 1-metre (1000mm) balanced flue extension pipe designed for Warmflow HE (high-efficiency) condensing oil boilers. It is used to extend your standard flue system to reach the outside safely and provides flexibility in the boiler's installation location. Key Specifications Length: 1000mm (1 metre) Diameters: 125mm (external) / 80mm (internal) Compatibility: Works with Warmflow Easy-Fit flue systems and HE oil boilers Material: Lightweight, durable plastic/high-quality materials designed to resist exhaust gases See photographs. Bought in error for my condensing oil boiler. Two 1000mm lengths available. I.e. two boxes. Retail from Wolsley £90.00 inc. VAT each.
