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When the zones are near temperature (if far away it keeps boiler fully on instead) it seems that the Evohome is bringing the boiler on for 1 minute in every 10 (as some of the zones are reporting not at 0% even though the system is reporting that it is at temperature).
I believe (though not...
Does anyone have experience of using a VR33 (for Heating OpenTherm control with Nest) and a VR66 for Hot Water Priority with Vaillant system boilers? I'm specifically using an EcoTec plus 624
I've got a system working with a Nest and VR66 to provide hot water priority and it works well with...
Hello i recently converted heating system from old stove to grand vortex b house 90 , boiler runs and works fine . How ever i have issue with water circulation have installed new pump but for some reason water don't circulate at all . what are the possible cause ? i have pump installed on return...
First post so greetings to all!
We have a problem with our elderly Potterton boiler and its Grundfos pump as follows:
Boiler started behaving erratically, switching on & off at short intervals
Within days boiler stopped coming on at all
Noticed that Grundfos pump was making an unusual sound as...
The problem is, my ideal boiler logic heat h15 keeps on burning (igniting flame icon on) all the time, all day long, regardless of the programmed on off schedule for both heating and hot water.
when we have the heating turned off from the thermostat programmer (danfoss tp9000ma-si), i.e frosted...
I have a rather large wet UFH system. Water is flowing around the system, but I don't get any (or minimal) hot water injecting from the primary boiler flow into the ufh system. this means the mix temp never gets above 20 degrees.
I think that the ufh system's pressure might be too high which is...
hello!
while saving up for a new plumbing and heating installation for my new one bedroom flat, i did a lot of research on different boilers and systems, sought some advice, and settled on a viessmann vitodens 050-w, seems to offer a lot in terms of features and reliability, offers good value...
HELP!,,,, E125 error code
Been trying to get to the bottom of problem with potterton titanium 40.
keep getting e125 which is circulation fault ( primary circuit). Fault is intermittent.
Thought about system flush but seem am reluctant as
all rads are red hot. Return pipe also hot.
Fault...
Hi folks,
About a month ago, I replaced my oil boiler/burner with a used one that is about a year old. All seemed to be well after it was replaced however, within a week or two, the whole system has started losing pressure - approximately 0.2 bar every 2-3 hours. It seemed to happen a week or...
All feedback welcome !
Here are a few details .
1.New Ecotec Vaillant boiler fitted ."protection kit/filter " paid for to get 10 year Guarantee etc .
2.Vaillant filter fitted on flow for No reason . This was coming up to 2 years ago.
3.Install company then serviced it and failed to notice...
Hi folks be glad of some help with this as its puzzling me.🤔
I have an Alpha 2 15-60-130 pump serving 12 Rads with thermo valves and Hot Water cylinder. The boiler is an Alpha CD18R
Since I had another rad installed downstairs I've noticed the heating pump has been noisier than usual ie...
Hi all
Currently have an open vent system with a 140L tank. This all needs renewing and wondering whether it was worth changing over to a high flow combi instead or to replace with an unvented cyclinder.
Currently only have 1 bathroom, but looking to add an ensuite at some point as well.
Thanks
Some vented heating systems seem to sludge up, and yet other remain remain remarkably clean after many years service.
Why?
Corrosion is caused by oxygen. Eliminating leaks and inhibitor helps, but the F&E tank is open to the air, so oxygen can freely get in there. Is it possible to design a...
Hi there, thanks for taking the time to read this. I've been trying to diagnose why my gas consumption is so high and been doing various measurements and tests.
With the UFH, my setup is about 10 room zones connected on two separate UF manifolds linked to one UF pump with a return blending...
23 rads and one kitchen hot water supply plus two basins in toilets. Had an old Concorde system boiler which gave up.
Two zones supplying two large rooms 50' x 12' x 24' each. Local heating company recommended Nevien 42kw combi
boiler and things went wrong after that.
The installers have made...
hi all,
the central heating water pump at my parents house seems faulty. it makes unusual noises like gurgling, groaning noises that we never heard before. further to this after just 2 mins in the pump gets very hot and the boiler switches off. the pump itself was originally installed in 1986...
Hi all,
We recently purchased a house and nothing seems to work correctly here, I've spent weeks rectifying issues. Plumbing, electrical, carpentry it's been never ending. The house was built by Barratt Homes in the year 2000, it is a 3 bedroom house called a Palmerston, the CH/HW system is a Y...
Hi all
I have a rayburn 499k with a nuway mx burner unit, within the last couple of weeks the boiler side has stopped firing.. no lights on control boxes/ over heat reset trip thrown. Cooker side still working perfectly.
There is no attempt to pre purge and no pump/ motors attempting to start...
Hi we had a baxi18 installed June. From day one the plumber could not get all rads hot and to stay on. They came back and changed pump, no difference changed all trvs. Now, the problem is this They all come on and are hot after about 45mins one goes cold and does not come back on . There...
Hi all and thanks so much in advance for any advice! My boiler’s pressure is below 0.5 but I can’t see where the filling loop might be. In the photo below I though perhaps I should attach one to what look like valves on the two identical pipes on the left, but these both carry hot water so I...
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