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Yesterday I drained down the my CH, soldered on some new joints and fitted in a new rad. All went swimmingly. When I filled the system, put in inhibitor, cleared the rads of air and started the boiler, it made some banging noises for about a minute or two whenever the flame light would turn on...

Hi Guys I am going to fit a radiator on tomorrow and will need to do some soldering. I will be doing two elbows and two straight couples. Should I flush with fernox f3 afterwards ? Or can I get away with it if I dont use too much flux ?

Thanks andy. And in the event some copper has fallen into the pipework ? I will be doing 4 joins for a rad (2 straight couples and 2 elbows).

Cheers andy, I used the x100. One other question whilst Im here, I will have to do some more soldering/pipework on one of the rads. I will be fluxing and am aware that flux is corrosive. Do I have to flush the system ? If so, what would be the best way to do this ?

Sounds like a small job which is a relief :D Thanks for the tip andy, I will fiddle with that! As a side issue, when putting inhibitor into the rads, can I use any inhibitor or will I have to use a fernox branded one ? That is the label that is fitted on my boiler and not sure what to make...

Attached. You can see a drop of water coming down from the second pipe on the right.

Ah, its still leaking, although only from the middle now. Its very slow the leakage unlike before. Right, so this pump, will I need to take the cover off ? I have taken the underside plate off and this is what I can see at the moment.

Thanks guys. Which direction do I turn the screw on the pump ? It has stopped leaking now, so am I wrong in thinking that everything is 'back to normal' ?

Hi guys, I drained down my central heating system to install a new radiator. Once done, I put the pressure to 1 bar, turned on the boiler, started the central heating and started to bleed the rads of any air. After a few minutes I noticed that the bottom of the boiler started to leak in two...

Hi Guys I have removed a radiator and had it out for a few months. I have an isolation value so that pariticular part of the system is off. I will be installing a new towel rad and want to know whether I will need to drain the system ? And will I need to power flush it too ? I had a brand...

No. I will need to I guess!

Hi guys I have a 22mm pipe for the hot/cold to the bath. I have a 22mm -> 15mm flexi pipe that connects to the bath taps. The taps have been a frequent cause for leaks, I have tried nipping the nut up, using PTFE tape and a new washer but the connection still leaks. The leak is originating...

Hi guys When putting on a pipe cover, what type of adhesive do I need to use ?

Thanks Hugh. What do you mean by terrain ? I cant find a manufacturer. I am thinking of getting this: http://www.diy.com/nav/fix/plumbing/guttering/soil_systems/-specificproducttype-soil_manifolds/FloPlast-110mm-Soil-Manifold-Skt-Spig-Grey-11577819?skuId=12088525 My only problem is how do...

Thanks for the replies guys. The bathroom in on the ground floor. May I ask what what a vent pipe is ? And what its used for ? Also, I've been looking around for a reducer from 50MM to 40MM (pushfit pipe) to no avail. Does anyone know where I can find these elusive bits ?

So thats what its called! Thanks for that theoldun. The problem with this manifold is the sink/shower holes dont have a rubber seal. When I took the old pipes out they came out with ease because there was no real connection. Would it be worth getting a manifold that has a seal on it ?

Hi Guys, I am redoing my bathroom and have gutted the place. My toilet/basin/shower waste is connected and there are three connections for each (see image attached). My problem I dont know which pipes to use to connect the waste for the shower and sink. I have some 40mm pushfits but the holes...

Hi guys I have a 6 month old Worcester combi system (repiped and everything). I need some work done on one of the pipes (need it moved a metre due to changes in room). Once the system is drained, will I need to use an inhibitor to prevent corrosion ?

thanks for the reply. What do I use as a backing though ? Should I use tile adhesive ? Or bonding ?

Hi Guys I have boarded a wall using aquapanels. Problem is at the top there is a 1.5inch gap. How should I fill this ? I will be tiling.