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Went to look at an old ladies overflow Ballvalve in main loft tank was not shutting off properly The arm had a large iron nut(like a ch pump extender)with the arm through the middle acting as a weight when i took the nut off it started water hammering,obviously why someone had put it...

Double check the trv flow is right way round could be air stuck in pipe somewhere if its been drained? Something in the rad that shouldnt be (possibly from factory) How big is the rad?

I dont have a fully north wall on my house but is as close as poss at the moment without sun getting on it.I have plans for more work which will allow proper fitment at a later date The sun rises at a corner of my house but shines along the wall i would fit it to The Trv`s work instead of a...

Customer for some reason wants 2 RF stats to cut out wiring,the extension he wants on another circuit is quite far from the programmer etc

thats what I thought...in theory it should be fine......waits to be told otherwise

Personally i would use 15mm unless you are running 2 small rads.but thats a personal dislike of smaller pipework Someone do a sketch as it allways helps to see a diagram(i would but dont know how to)

Please correct me if im wrong but could you not run a single pump for the hot and put a pressure reducer(set at the pump output pressure) for the mains cold?? Just an idea....

Think I may have read it wrong,basically it needs to be the temperature I want my house to be? So 18 degrees in ok then?

Outside temp sensor is as north as possible ,would be in direct sunlight if on the north wall Yes im using the VR10 and VR65 Heating curve also at 2.8 Almost all trvs ( 2 old rads im changing xmas time have no trv) So what should i set it to?Or is it worth asking Vaillant(not used...

Glad to be of service :)

I would extend the pipework using compression fittings Does the pipework that has been left have a nut and olive at the tap end? If so its an easy job to extend,just hold the valve body when you tighten the nuts

Looks to be electric mains fed shower,which they market as power shower Scale? Do you live in a hard water area?

Thanks,but has anyone fitted one,or recommend one?

You sure its the bath overflow and not a toilet?? Bath overflow will drain into the bath waste ,and only when too much water in bath

Sounds like the expansion vessel has no charge

I like Black Label too,some of the cheap stuff is crap Best to pay for decent pipe than have a leak,much cheaper in the long run

Problem is how many people have their boiler in their living room :( Normally people plug these timers into the boiler Boilers are normally placed in cupboards and utility rooms where the temperature is likely to be less than living spaces What then should i set the temperature to for a...

I have finally had an electrician to sort my extension wiring after running the boiler on a plug-top timer for 8 months EcoTec plus 618 system boiler running a Vaillant aurostor 250L cylinder Both are sited in the garage I have no roomstat The weather compensator programmer VRC400 has...

Sounds like an airlock,whats caused it who knows Kitchen mixer....put palm of hand over tap outlet,open hot tap,slowly open cold tap,not too much as pressure will force water past your hand If its air ,the pressure of the cold will force the air out of the vent pipe thats goes over the top...

If it works with the head removed then the head is faulty,not the valve Most heads are NOT interchangeable Some same make heads do fit other same make valves Usually there is very little price between a replacement head and a complete valve,so probably best get new complete valve and...