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After some advice please. I had a new 3 port valve fitted in October 2023 after the previous one started playing up (not working for heating only) Last week the valve started to intermittently not come on when called for heating only (works fine if water is on too) Once water reaches temp and...

We had a new ball valve fitted to the cws in the loft (old one was making noises) Since then I have noticed I can hear a whooshing sound from The pipes when water has been used and it is filling. I believe this is normal? What I have noticed however is that the ball valve seems to...

The cold feed and vent is before the pump both pipes are next to each other up into the loft. F/E pipe is 22m but converts to 15mm as it enters the loft

So there is no water coming out of vent pipe when system is running (stood and watched it for a bit) but it does have condensation when I look in f and e tank. When pump starts it seems to draw a bit of water from f and e tank as can see movement and drips from cold feed for a while Had...

I am sure this has already been answered but a quick trawl of the forum hasn’t found anything so hoping one of you lovely heating engineers can give me an explanation. So many posts say if you have a radiator that needs constantly bleeding and lots of ‘whooshing’ noise near the pump it is...

I have a strange issue going on with my f & e tank. I will try to give a detailed account: We had a constant drip into the tank at the beginning of jan and obviously we assumed we had a leak. a leak detection company was employed and they found a leak using trace gas under the kitchen...

Thanks oilboffin, hope this is the answer for wbracing. Alas not for me as oil pump was changed as part of the whole new burner.

Oilbiffin, I am not sure if you are aiming your question at me or the OP. Wouldn't want to highjack his post...

WBRacing, Let me know if you ever work out what the problem with your boiler lockout is please. I have exactly the same issue, our outside wall hanging grant boiler keeps intermittently locking out at start up but fires up normally. I have had various parts changed all of which make it work...

Immersion definitely not on. I have tried to upload a video - hope it works. If you have nothing constructive to add to this thread, please don't bother. I have not posted on here to enter into some childish playground banter.

Please note I am not an ungrateful kn@b. In fact I don't even have one Thank you for all your helpful feedback

can anyone help me work out why my hot water cylinder is making crackling noises? It only happens when hot water is on and only when hot water has reached temperature, not when I first turn it on. As soon as it turns off (on reaching temp) the noise stops As well as the strange cracking...

Thanks guys, I have trip switches. It is due a service in July so am going to bring it forward and ask for a total check of the whole boiler (as if new install) and the oil line as have had my fill of oil boiler problems. Hopefully the new control box will shed some light but I am not holding...

Me again. Well I had a new grant boiler fitted in June 2013 and it worked great for 2 years. Alas it started locking out in October 2015. A grant engineer came and fitted a new control box and it worked until February 2016. Grant checked the old control box and couldn't find any faults with it...

I have bled all the radiators and they are all letting water out. The pump seems to be making more noise though, like a drumming sound rather than a hum. I have checked the bleed screw on the pump and there is no air but a little bit of water came out which I understand is to be expected. I am...

Oh my god what a nightmare. Will just have to wait and see or maybe it will stay in system without doing any harm? Is it worth draining they system to force it to the end?

What is likely to happen though?

Yep I have had a look and I can't see it in there at all just loads of sludge at the bottom

Oh no that is not good, I am going to be in constant panic now :(

i recently had to check for a leak in my central heating system by marking the water level in the f & e tank with some tape and then holding ball cock up to see if water dropped. To cut a long story short, recently had to remove two radiators and then re fit them, during the refill the piece of...