Joule twin coil 200L hot water cylinder
This cylinder is pre-insulated, but building an insulated box around it decreases the heat loss by an estimated 10-15% - taken from drop in tank top, middle and bottom water temperatures overnight.
This cylinder is pre-insulated, but building an insulated box around it decreases the heat loss by an estimated 10-15% - taken from drop in tank top, middle and bottom water temperatures overnight.
Super insulated box over cylinder reduces losses 10-15%
Replacing existing vented system with unvented mains pressure cylinder means all tanks in loft can be removed. This also minimises the risk of pipes freezing in the loft.