Recent content by sparkzz

We have a bit of an oddball, the house does have some interference & even though I have spent numerous hours I haven't traced it. I can literally shut everything off & shut the c/u down & something still affects something. I get strong DAB signal in the area till you pull on the drive (or even...

Hey folks. My old 430f has been getting worse & worse at losing comms with the boiler, think this is just because if the amount of wireless traffic that's around us nowadays. This is getting annoying for me & my wallet as it normally does it when it's called for the heating which means the...

Do you know your Heating load requirements, house size or even how many rads you have. I’ll list those changes at the boiler to at least help something. Top of my head, we have 16 radiators, 1 which runs direct from the boiler in an ensuite. Sitting room has UFH/2 radiators & Study/downstairs...

That’s the problem I’m afraid! - Booger a VR81 in the ufh zone and move the 430 (or visa versa) to the rad zone. 430 can be wherever as wireless lol, but no way to get a wired stat to sitting room so would need the 430 in there motorised blender on the UFH manifold rather than a manual one. -...

It’s just much quicker if I list the ones to change - yep, fine to do that high limit stat (day 50C) and adjust your curve to a more realistic 0.8. - OK, will try that, sitting room UFH runs at full flow, think I'm knocking on the door of 4l/m, tried it at various flow rates. not the easiest...

UFH manifold has a manual mixer, Pump on 2, tried 3 but no real difference Are the rooms balanced with regard to flow rates - yes as best as I can with a non contact thermometer - rest of the house is fine, works with TRV's & is always comfortable, just this darn sitting room Rads in sitting...

Aha, clear as mud then :-) Apart from the geo-fencing & auto-learning, (just to get the bills down a bit) it looks like I'm better off staying as I am, now if only someone could help set the darn thing up & get our sitting room up to temp :-) VRC700/920 looks good but pocket just wont stump to...

Cheers mucker, I await the voice of the gods :-)

Hi Guru's, I currently have a Vaillant EcoTEC Plus 624, a VR61 Wiring Centre & a VRC430F WC control. I'm looking to upgrade my 430F to the new Vsmart to allow geo fencing through an IFTTT app which apparently it will do. Will my VR61 suffice or does that need upgrading to a VR66, google...

Hi Guys, As the say, job jobbed, or problem solved!! Sorry for starting a "heated" debate, sorry could not resist, but I bet you have never heard that one before!! Right, 630 cancelled & 624 ordered in it's place. After speaking with Vaillant, we ended up with the VRC430F weather...

Hi, Right I decided this afternoon that the Vaillant 624 was the way to go. Unbeknown to me, my misses has convinced her poor dear daddy to fund the boiler for her, (struggling self employed graphic designer!!) & they have gone ahead, upgraded & ordered the 630 without consulting me. This...

Hi Guys, Many thanks for the help here. Some good advice. Bang goes my theory of having more power & throttling it back, rather than something small running nigh on full speed. That's why I don't do plumbing :-) If we put the VRC470 in the system now, I presume that will control the rads &...

Hiya Muggles, Thanks for the response young man!! Yes, pressure has been checked. Not the highest in the world, but will do an unvented system thankfully. I can't cope with our dribble of hot water we get at the moment!! Right, blimey. Yes from what I have read, the Vaillant boilers are...

Hi Guru's, We are just putting a new system together seeing as my old vented one has gone kaput, (does not help when the overflow into the header tank decided to dip below the water level & use it as part of the system, mmm wondered why the attic had condensation :) The gunk & sludge in the...