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4" inch Increaser 4in to 5in

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4" inch Increaser 4in to 5in

Product Code: 67-100-002

RRP: 67.31

Excl. Tax: £35.99 Incl. Tax: £43.19

Quick Overview

A single wall Vitreous enamel increaser (one diameter size bigger - 4 (100mm) to 5 inch (125mm). You may need to order a stove pipe to flex adapter to go with this if you are connecting to flexible liner, such as product code: 20-125-MAE.


When using this increaser the male end (smaller end) must be installed facing downwards. Each joint must be coated with a jointing compound (fire cement or high temperature silicone sealant). This makes sure that no condensate can escape and spoil the appearance of the pipe. The steel thickness is 1mm with a coating thickness of 0.2mm EN1856-2 T600 N1 Vm L8010 G375

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