Recent content by paulmapp8306

Its a Vaillant Ecotec 418 (normal open vent boiler), a VRC700f control, VRC20 outdoor thermostat, and VR70 wiring centre.

Thinking further - IF I have the theory right - the ideal heat curve once you reach you "set" temperature will be only just higher enough for the rads to put out the same heat the room/house looses thus keeping the temp stable.  This will obviously vary, depending on room/house size, drafts, how...

Looking for some advice on heat curve setup.  Only recently installed a new system with a weather compensatory, but my room temps are all over the place. As I understand heat curves (after some internet searching),  the higher the curve, the hotter the water in the heating system is for any...

Yeh,  I have a good quality electronic thermometer, and also an old fashioned "mercury" styke one.  They both say the same (as does an app on my phone as well), but the 700f is a couple of degrees hotter. More concerning today, temp is set to 21.5 deg, 700f is measuring 24.5 - and the radiators...

Hi, Just after a little advice.  I had a new boiler and VRC700f control installed last week - but TBH the engineer didnt really know the product, and Vaillant themselves havent been that helpful. 1.  Is there a way of calibrating the thermostat?  I have a good quality room stat (that I used...