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Andy Thanks for the follow up. I've reduced the pressure to 3.0 bar and will wait to see if it stops the 'screaming' from the pressure limiter near the cylinder. Not too confident as the problem did occur when it was at that pressure previously - I increased the pressure because there was...

Andy Thanks - the system does have a hot water storage cylinder and the water temperature is pretty high - I will reduce it. BTW the device fitted is an electronic water conditioner - not a softener. Two thin cables are wound round the water pipe and connected to the device which, the...

Background: The cold water feed for my house has been taken from a mains supply that is 300 yards distant. The pipe runs slightly uphill for the first 150 yards and then downwards to my property for the next 150 yards. The house is at the same level as the mains i.e. there's just a small...

I'm installing a sink in my workshop. I've excavated and exposed the main 4" drain pipe which is 900 mm below ground level and runs parallel to the wall on which the sink will be positioned. The 4" drain is 1400 mm from the wall. Can I run the PVC sink waste pipe direct from the sink trap...

MrGas - your assumption that we have a guarantee from the installer is perfectly reasonable but regretably our experience with the company has been very poor and I am not hopeful they will be of any assistance. Oilman - your observation that smoke, due to unburnt fuel, causes blackening on...

I have recently had a Jotul 400 stove installed by a HETAS installer and have the certificate to prove it! The chimney is lined with pumice and there are approved air vents in the room. The stove is advertised as having an airwash system but the door glass keeps sooting up and I cannot keep...

Hitachimad Thanks - have more oe less decided to carry on with the wire wheel method or farm the shot blasting out. Regards

I have started renovating small pieces of old agricultural machinery e.g. root grinders. The items are cast iron and so far I've done the de-rusting with a wire wheel in an electric drill or angle grinder. The items are then painted with Hammerite which claims it will adhere to and cover rust...

I have a house with new plumbing with an oil fired fully pressurised system. When any of the hot taps on the first floor are partially opened they hammer severely. The builder who did the conversion is very unhelpful so I'll probably have to fix the problem myself or get a plumber in - but...

Thanks to all. Since I've just added concentrate and am not losing water I'll leave for the forseeable future. If I need to add water I'll maybe add some more concentrate in a year or so. Regards

Hi I've just added some Fernox Superconcentrate to my pressurised system -I don't know if there was any in the system to start with so now it should be OK. However, when and how do I test the concentration in future? From what I can gather one tube of Fernox should treat 10 rads, we've...

In my old house there was a separate pump on the DHW system that ensured hot water was available as soon as a tap was opened. I've moved house to a recently converted barn. It's been built to a high standard but it's a large house and it takes ages to get any hot water from the taps. Can I...

Thanks to all. I've contacted my local authority re. building control notice.

Grateful for any recommendations as to wood burner makes - I need an 8 - 10kw output stove. The stove is to be installed in a barn conversion where the chimney flue has a pumice? liner. I'm fairly handy so am up for installing it myself but one supplier has intimated that I need a certificate...

I kept squirting WD40 and left overnight and it worked! Thanks for the replies - I like the idea of the plasticene well - will try it next time.

I have a 1934 Austin 10 and need to remove the fuel pump but the brass nuts that connect the lines to the pump are seized up - if I try to undo them the fuel lines starts to twist as well. I guess it could be that some sort of thread sealant was used, although I can't see any evidence of it, or...

Enough, enough - I'll have a new rad fitted!

The micro pipes in the leaking rad go into a single valve but on the inside of the valve there is a pipe that is inserted into, and runs the whole length of the rad. I'm told that modern rads all have valve entries on the rear so it's then not possible to insert the return pipe; so if I...

You are of course correct that a new rad would be less than £100 but unfortunately the system is micro bore with the flow and return going into the same end of the rad but a new rad will not accomodate this so it would mean re-piping as well. The real bummer is that the problem has occurred...

I have a combi boiler system that is normally pressurised to 1 bar and a radiator has suddenly developed a tiny, approx 3/16", hairline crack around a spot weld. The radiator otherwise appears in very good condition with no signs of rust but it is a non standard size that would be inconvenient...