pdhw

Hi there. I've just had a brand new heating system installed. Worcester Bosch system boiler with optional internal diverter kit, HW output connected to Gledhill unvented cylinder and CH connected to the rads. I believe this is referred to as PDHW or X-Plan - the boiler is either heating the...

I've recently had a new Ideal boiler installed (Ideal Logic Max Heat 2 H18) and plumbed for PDHW (priority hot water). I use it with EPH CP4 series: CP4i, additional Combipack 4, CP4-HW-OT, wired and configured as per EPH instructions, covering downstairs, upstairs and hot water tank, with the...