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Yep understand could change pipes but that is beyond me as this time. Floor hard to pull up, copper pipe work id have to use push fit due to inexperience. Don't like these tall slim rads. Not needed in my small bathroom. A new one not massively expensive poss <80£ A functional small towel rad...

Fully understand and it's all on me for a punt if I get another. But with what I've done it looks very possible !! There is no make on it. I think it's a cheapo one. I'll go to.my mega plumbing place and sort another rad and be sure inlet is to be ok on the right ....... This one is awful...

Thanks all. All noted. The flow is from right to left. The right hand pipe heats up first where the trv is. It looks like the pipe work is wrong .... For this rad. (This is good if is the case as it explains everything) I think as I don't even like this rad , to get another and doing that I no...

Just thought - The trv is on the flow side (which on this one is on the right) So I assume that means it's set up ok ? BUT This clearly is a add on via a house extension it is as if the pipes are the wrong way round for this type of rad ? The radiator needs the trv on the left but the pipes...

Thanks for info : 1 and 2 and 3: What you describe seems to be what I am experiencing exactly. There is however no marks I can see on the rad stating flow side. As said it's right to left and on the right is the trv valve. I can't turn it really as the holding clips on in the reverse. Way...

I have a baxi800 boiler. 2 rads upstairs near boiler and 4 downstairs ending up in the bathroom which is the one that only heats up a few panels but both inlet and return pipes are hot. Pressure 1.25bar. Radiator - bled ok Balanced all rads and the others are fine !! (Balanced as best I can...

Understood and thanks.

Can I ask should the mains " flow in " pipe have that lever in line with pipe ? Meaning it would allow when lever pulled water to flow ? Just wandered ? Best practice ?

Thanks !!!! Gonna attempt to take rad off and flush this afternoon..... I may if this doesn't work have to change the lockshield valve but that's if it doesn't work. The flow is from trv to lockshield. That will be another post ...... But I have most of the tools and info now.

Ok can you look at the picture again as I have from left to right . Need to hammer this down in my head. -Flow to rads -Gas -Flow to ? With lever to re pressurise ( Do I assume this is simply the flow to top up from mains - water in?) -Return from rads Sorry to be a numb head ..... I know...

Thanks guys !! Trust me us ignoramussss so appreciate this info. Re the left one - the heating flow ? What is that ? Is only to do with hot water not the rads ?

A while ago you kindly told me what lever under my boiler does what. Im just trying to add all the dots as have to remove rad to flush and add maybe 2 TRV valves. I attach a pic and wandered what exactly the levers do, which I identify with a "?" There is one on the left I don't know what does...

and note : all trv valve pins ok and function . all rads bled and no air. pressure ok

ok iv had a look for arrows. the two top rads 1&2 as per diagram have this image . 1st one. I can't see the other side of there are arrows. but no two arrows. 3 down stairs have the two arrows as per picture no 2 The remaining two downstairs one in the front window doesn't have an LRV. The...

I will have a look on the valve bodies. In a diagram is what I have for the top floor on the first two radiators. This as it is after 1 hour of messing about. both radiators now set to three. I'll do if you say regarding the full balancing tomorrow. It's very hard to find the exact sequence...

p.s I now have the Lazer thermo device. very good. just not clear what I'm looking for

ok listen clearly we have a few people who seriously know what they are talking about . I thank you !!! I have various issues : 1) a non understanding of how a trv not on the inlet of water is of any use ? add to that how do I balance that rad ? the hit water hits the trv after I would be...

understood. I will this eve try and balance the upstairs with the new thermo device .... I expect the Niagara falls to come down on me but will report .....

good point BUT I have just moved into the house and 4 of the heads trv, didn't work. they were non functioning. nothing to do with pin . The pin on all the TRV valves works fine. iv bleed all rads - all ok. So I've been looking at the system and I bought 4 TRV heads that fit. I realise that...

Thanks so much . prepare for more damned fool questions . just ordered a Lazer Heat thing to assist project balance ... this when I'm confused as on some rads TRV is on wrong side where water flowa in. i.e the hot water comes in via lockshield valve ..... seems illogical to balance a radiator...