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Thanks, Am I right in thinking the more I close the return ls valve the more the temp will drop on the pipework on that side?

Hi, Hope someone can help. I have recently attempted to balance my system Potterton 80 combi boiler. My bathroom rad has a lockshield either side that were fully open acting as a "bypass" I think as boiler doesn't have bypass valve I believe. I have balaced this rad also and temp of it...

It is a combi I have. I realise none of the plumbers/heating engineers will do what I am about to do. That's why I'm doing it. Maybe they still should? If I decide to do something, I do it the best I can I'm afraid(just the way I'm made). So, I'm still looking to get my original query...

Thanks for reply, thought the lockshields closest to boiler should only be slightly opened then progressing to the farthest away one which should be opened fully. I know I'm being way too logical, that's me I'm afraid and I do have pipe clamp and multi-meter, so why not use it? I'm not a...

Thanks again for the info. Point taken about "thinking logically about the order". However, I've kinda got my mind set on trying to figure out exactly which one heats up first via temp. clamp and multimeter(i.e. time how long each flow pipe on each rad takes to heat up to say 20 degrees). A...

Thanks for info, some of my rads seem to heat up at same time(going by touching pipework). So, I just want to make sure I have order correct before I start. Most of my rads have lockshields on the flow side, how do you balance these if the trv is on return side? Thanks again.

Hi, Wondering if anyone could offer some avice please? Gonna be doing the above soon and understand basic principles. I intend to find the order in which the rads heat up first with temp. clamp and multimeter before I start adjusting valves. Do I have to open ALL valves fully before...

Thanks for replies, Not sure what you mean about valve? It does work i.e. opens(so I can refill system) and closes i.e.(no water comes out of other end of braided hose). It's only when I try to take braided hose of valve end it starts spraying everywhere? I was thinking it might be...

Hi Guys, Looking for a wee bit advice again please. Tried to put Fernox F5 cleaner into system via filling loop. When I try to unscrew loop from water end(so I can attach to adapter on F5) it starts spraying out quite a bit of water? The valve is definitely closed because when I...

Have had rad off and flushed manually, some black stuff came out didn't seem that much. Still cooler to touch at centre and centre bottom? I don't have drain off point on my system, so I'll get one fitted, drain, add cleaner drain and refill a few times then add inhibitor. After that I...

Yep, it's not ch draincock. I have looked further at pipework and don't have one. Plan will be to get plumber to fit one (pay with breakfast) underfloor me thinks n get hose connected via vent brick to outside. Then I'll be able to drain system properly, cleaner, then inhibitor. Thanks...

Think I've found draincock(under floor on some pipework). I've attached hose and fed outside and opened it. However it's been draining for ages. I've opened bleed valves on rads upstairs and still water in them. Pressure not went down on boiler either? Any ideas?

Will crawl about further under floor, it keeps me alive. Free range haggis no problem, I'll nip to the Glen across the road and check my traps. You'll still need the Rennies though.

Breakfast is on me definitely, whatever you want. I can recommend haggis, followed by pack of Rennies. How much(foodwise) to sort this out for me?

Right, thanks, I'll stop messing about with PRV then and I'll arrange to get draincock fitted. Is this better fitted on ground floor rad on pipework under floor? Can't wait to bin old chinese container.

Don't suppose you have a picture of wheel-head gate valve in your extensive album do you?

That's 2 cuppas and 2 bacon rolls then? What is PRV then, purely for boiler? Cheers.

Yep, think I'll try balancing first. What do you mean pump ok? Ta.

I can post pic tomorrow, but from what you guys are saying I've been messing about with PRV at boiler. I am 99.9% sure I do not have draincock/valve anywhere on my system. There is definitely nothing on any ground floor rads or sticking out from house. Might be under floor, but I can't...

Might be getting somewhere here. Boiler is on ground floor but is higher than ground floor rads. Outlet pipe is lower than ground floor rads pipework. It runs vertically down from combi under floor. There is no valve as such on pipe outlet. The valve I have operated is inside the...