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Hi all My heating system hums. I always thought that it was the pump that was humming, but today have listened closely (with my kid's stethascope!) and the noise seems to come from the mid position valve. The noise changes in pitch if I change the pump speed, and stops when the pump...

simon Had a similar problem with the NetaHeat in my old house. It turned out to be a fault with the pressure switch which checks the fan is running. The pressure switch was £50 and simple to fix CIB

hi all I need the consumer unit moved, because I am havimg some building work done Is there a maximum distance it can be from the meter? CIB

Whilst doing a bit of work in the airing cupboard, I've rattled one of the pipes too much and now an old soldering tee joint is weeping a bit. Does anyone have any advice for repairing the joint without taken it out. I've got solder and flux to hand. Thanks in advance. CIB

.....copper pipes outside not ok? Surely outside copper pipes are everywhere. Water doesn't make copper corode, pipes are full of it. Seriuosly, is there a problem here? CIB

thanks guys Corrosion protection? Is there a problem with copper pipes outside? The pipes have got tape wraps around with GAS on. I'll peel it off and reuse it. Chris

Hi All I had a new boiler fitted a couple of months ago. A new gas pipe was fitted around the outside of the house. Can I paint this copper pipe? The colour clashes with my cladding! If so, what would the best paint be? Whenever I've painted pipes indoors, they always seem to go green...

9 times out of 10, the boiler (Halstead Hero60) lights smoothly after a couple of seconds ticking. However, occasionally, it takes longer to ignite, and does so with a bit of a bang. probably not correct! Any ideas what the fault might be? CIB

I installed Electric underfloor heating in my kitchen (as well as a radiator) I would imagine 800Watts would heat an average bathroom. It was easy to install under tiles...I just grouted over it! Chris

Hi All Further to my posting below..."Boiler Cycling" Thanks ChrisR for the info about coil sizes. I reckon mine is probably the more modern type...the connections seem as far a part as the ones in Wickes....also, the boiler heats the water in the cylinder to 55C in about 20 minutes, so it...

I've completed my new system. The gas man conected it up and checked the boier on Friday. Itr works fine except on DHW only. The boiler seems to cycle too much...30 seconds on, 1 minute off. This is with the pump on max speed I Have updated an old system. The hot water used to be...

The air admittance valve needds to be higher than any thing else attached to the soil pipe. Foe instance, if you have a hand basin also attached to the soil pipe, the valve needs to be higher than the overflow of the hand basin. Hope this makes sense Cib

Hi Guys, My new heating system is complete, except the gas. I had the Gas man round today. THe gas meter is in an ols separate cupboard below the electricity meter. He suggested running the 22 mm pipe up from the meter through the electricity meter cupboard...(to which I was surprised) the...

All I am partly updating my central heating system. The only bit that I am stuck with is the need for a pump bypass. If I use a mid position valve, do I need one? The boiler ( a Halstead Hero 60) has a pump overun feature. The installation instructions talk of a 7 litre bypass loop, even...