Ultraflow indirect unvented cylinders are manufactured from duplex stainless steel with 50mm factory-fitted insulation. All cylinders include an unvented kit, incoloy immersion heater, and secondary return connection on 200L and above. Available in standard and slim diameters with short variants to suit restricted spaces. 25 year cylinder warranty and 2 year parts warranty.

* 400L & 500L come with 1″ hot outlet, cold feed and a second immersion heater. All prices are list price ex VAT.
All prices are list price ex VAT.
Our team is available Mon–Fri 08:00–17:00 at both Enfield and Rushden branches