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Cheers, will ring them at 9 am., see what my guy says, take it from ther.

Hi lightening, thanks for reply. Engineer actually said that just before leaving, that,s why I thought he didn’t,t want to continue. Would been better just putting new one on in first place if not using chems, But why no ignition now on hw, ok on ch still? I said chemicals, his reply was, time ...

hi guys, need a bit of advice. Got V 100w, 11 years old, no problems till now. Missed a few services from 7 till 10 years old. No hot water, ch , ok. Got engineer, used before, but not on boiler, new kitchen rads, he has diagnosed plate exchanger blocked. Diverter seems ok. He serviced it before...

Update. seems it was not the tr v after all fitted a new one, same problem.no flow. the inlet pipe from circs to tr v was blocked with crud! been trying to unblock it all afternoon. I think it,s the chrome but which comes through the floor to trv ? Flowing a bit better, not sure how much flow...

Cheers Terry. Thanks again for reply, much appreciated. Looking at that old trv, in the pic,and new ones I had fitted to new rads in kitchen in March, it looks as if it’s deeper to the olive, so may have to cut a bit of pipe from olive to end of pipe going in to the Trv so it makes contact with...

Is Tod pic ok ?

As the other two have. Same trv,s on would be best to replace them at same time whilst system is drained. Have had trouble with them. One rad is 3 metres long ! And papered up to it. Will try and upload a pic, not familiar with it. Cheers.

Thanks terry, I would like to just get it blinking for now, will change rad as well later, it,s an old rad but have two others same, but working. Changed two in march.

Ps.Are tr v s interchangeable without altering pipework, using same but fittings on the the rad and pipes ?

Hi, just done that and the although letting it gush out at first, closed and just trickles. I refilled it via tr v first time so assumed it was ok. Why it,s closed again I know not. so denso was correct. my apologies to denso. said I was going loopy New trv when weather warms up to drain...

Eliminate the possible, and what’s left is the probable. Cheers.

In that case, engineers, and plumbers would just be fitters, replace the part, it’s cheaper. As an ex engineer, I try and fix the problem first, I couldn’d just replace things , I had to solve it. If I had a pound for things I have replaced that weren’t the problem ,I would be a bit better off...

Yes,I should, hindsight is great, but that meant draining the system, if I had done that, I would have replaced the rad, and a couple of other older rads at the same time, which I will do come spring, hope it’s early like last lockdown, march! The trv is red hot to touch now, but rad where...

Hi Guys, need some advice please. Posted this before a while ago, thought I solved it. One rad of 15 is not getting hot, just warm, mostly at the top. Told to turn All rads of and leave problem rad on. Did, same result, still tepid, water just going round circs. The inlet pipe to trv is very...

When my electrician put the rccb/rcbo, I do not know which I tried to use, he said both light circuits a ring main we’re tripping as soon as he turned the power back on at the CU, so just took it out immediately ? As there were no lights on in the house, he was on a step ladder with his headlamp...

Does a rccb or rcbo detect earth leakage or fault and trip if circuit is not live ? E.g. bedroom lights switched off at switch .