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Sorry I'm probably not describing the system accurately. It was probably designed on the back of a fag packet. This pipe goes from the top of the cylinder through the top lid if the cold tank and sits above the surface of the water. In time when the hot water builds up in the system the back...

With regards to the system being dangerous. What sounds so dodgy about it? Is it the potential for the cold tank to collapse due to the hot water? The tank is very robust with aluminium bars around the sides. The hot cylinder has an open pipe coming from the top which vents steam and hot water...

Yep, the stove was initially for heating only and I had an immersion heater heating the water then I got the back boiler fitted to heat the water. I'll post some pics. Thanks.

Thanks Madrab. It's been like this since the day it was fitted around 10yrs ago. I've tolerated the excessively hot water but I'm converting part of the loft and thought it would be a good time to put a radiator in. A plumber actually told me at one point that installing a radiator might cool...

Thanks for the responses I'm posting this reply from the garden ;). Is the danger that the hot water causes the cold water tank to collapse? If I can give a more detailed description hopefully the situation might not seem so dire. So the boiler (I think they're called 50/50 boilers)was...

Hi there, I'm hoping someone can give me advice on the following. I'm an experienced diy'er but please excuse my ignorance of the correct terminology. I have a multi-fuel stove with a boiler in it heating my hot water. There's a hot water cylinder and a large cold water tank in the loft. My...

Ha ha! Brilliant. You spend ages threatening an inanimate object with extreme violence, cursing the manufacturer and getting ready to march down to Screwfix for a replacement and then you realise you're an idiot. Many thanks, Elkato531

Hi there, I've recently installed an under sink water heater with expansion controls. I've got the mains going through an isolator valve then into a pressure reducing valve. This seems to be where my problem is. When I open the isolator valve the water flows for a few seconds, the taps work then...

Cheers Rab. It's just for the bathroom and kitchen sinks. No gas. I've seen these instant water heaters. Are they any good and do you just wire them into the electrics and plumb them in like an electric shower? Thanks, Jonny.

Hi there. I am renovating a wee 2 bedroom cottage. I would like advice on the best way to supply the hot water. I only need to run two hot taps for the kitchen and bathroom. It has excellent mains pressure. I would prefer not to have a water tank in the loft unless it was small, and an unvented...

Yep of course not wall ties, sorry. What I want to know is what people think are specifically the best products and where to get them. Because I'm not an experienced tradesman I find myself popping into the big D.I.Y places to pick up the stuff I need week to week and I'm noticing differences in...

Hi, I'm finding that choosing from the huge array of products available for most jobs is one of the hardest parts of my projects. What do you reckon is the best product available for tieing new stud walls to an existing stone wall? Thanks.

Hi, I will be installing air vents into the exterior walls around my house. The problem is the walls are 3ft thick mixed stone and rubble. There are a few places where I can find spots to dig through and I can keep the air flowing around the sub floor o.k. but the hire places just give me the...

Hi, I was hoping it wasn't needed but the guy who advised me to do it was confident there would eventually be an issue with damp smells entering the house. Maybe he thought there could be an issue with installing adequate vents as the walls are 3ft thick.There are no problems with wind but the...

Hi, I'd appreciate some advice on this. I have a 4ft deep crawl space under my floor. The solum is slightly damp earth so I've been advised to damp proof it to prevent damp and smells rising up.I'm laying thick polythene and weighing it down with a few inches of gravel.I need about 5 bulk...

Thanks, those domes and upstands are just a bit too clunky looking to be on view. I was worried there might not be something suitable in my price range but at least it's made up my mind and saved me money and hassle. Who wants to look up at grey skies anyway...

Hi, this will be the first of many things I need help with. Any advice will be greatly appreciated. I am installing a profile steel roof on a 5 degree pitch and am struggling to find a suitable flashing kit for roof windows. Velux universal flashings suggest 15 degrees min. I would much prefer...