Search results

Good morning peeps. Bear with me.............this is a 2 parter !!!! Nearly 2 years to the day my newly installed Viessman 100W boiler has started kettling and will not behave. Bit of background on the system. I installed it on an open vent system, changing from Y-plan to S-plan, added a...

As part of an attempt at zoning my CH, I've come to the conclusion is more beneficial in the long run to covert to S-plan from my exisiting Y-plan, open vent system. Am I being a bit simplistic in thinking I just need to junk the 3 port valve sub in 3 x 2port (CH, DHW, UFH) valves and install...

I'm about to embark on the great adventure of fitting a new boiler to my extension I'm building. I've removed a small rad from the kitchen and installed approx 10m2 of UFH. A couple of questions: My exisiting Ideal boiler is coping, just about, with the system I have at the moment and gives...

Hi All, I'm at the stage of researching the underfloor heating I'm putting in my small 3x6m extension. The total floor space to be heated minus kitchen cabinets etc will be appox 10m2. I've got a rad in an adjacent/connected room which I'm keeping and was wondering whether to go with a...

Hi All, I'm in the process of constructing the slab foundations prior to pouring the concrete for a kitchen extension. I'm planning on installing wet underfloor heating and looking for the best way of insulating the slab. My architect has drawn the slab as such, from kitchen floor down...