The Horizontal Indirect External expansion vessel stainless steel unvented cylinder has the pressure expansion vessel fitted on the pipe work by the cylinder. The Horizontal unventedcylinder is percfct for use in lofts or attics where there is a height restriction. The indirect unvented cylinder is heated from and indirect source like a boiler which gives you the same Megaflow performance of high pressure hot water when attached to the mains pressure cold water giving excellent performance with the hot water recovery when in use. The Horizontal indirect is available in the Thermsaver external and ACV Smartline.
All horizontal unvented cylinders are made to order and delivery is approximately 10-14days
