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I've taken out the old gas fire in my lounge and I'm going to brick up the hole. Is it necessary to put in an air vent, and if so, what size? It's in a ground floor room of a 2 storey terraced house.

Thanks gasafengineer. I was considering cutting a small section out of the pipe just below one of the valves to give me some slack and repairing it with a straight compression joint. Does this sound OTT?

But I've bought them now and I like doing it!

I want to replace the 2 zone valves in my CH system. (Preventative maintenance; it's summer-time and they're 17 years old.) The problem is that I've slackened off the compresssion nuts, but there is not enough movement in the pipes to enable me to remove the valves. I've undone all the pipe...

I'm running a new mdpe water pipe accross the garden (to replace old lead pipe) and I need to duct it under a waste pipe. I believe I should seal the ends of the duct pipe, but with what? Does it matter which sealant I use? Are some sealants incompatible wth mdpe? Thanks

So can I simply pass the 25mm MDPE through another pipe of slightly greatler diameter? Do I need to seal the ends with anything?

I'm laying a new MDPE service pipe to replace the old lead one, and I have no choice but to pass it under a sewer pipe. I see from the regs that it has to be ducted for 1m either side. What form dose the ducting have to take? Can I simply pass the mdpe through a slightly large pipe? Thanks ACDC

Last week, I changed the battery in my S-reg Vectra. I've disconnected the electrics before and had no problem putting the security code into the radio to get it working again. This time however, I must have done something wrong as instead of getting the word 'CODE' on the display, it is stuck...

Yes, that fixed it! Many thanks.

thanks. will give it a try.

Its windows 98 with a 1.25MHz processor. The graphics card is a 64 MB NVIDIA. Ive just re formatted to get rid of lots of junk/spyware etc. When reloading the operating system it didn't ask for the video card cd. On the device manager, under Display adapters, it says Standard PCI Graphics...

I only get the option of 2 or 16 colour setings. What do I need to do to get 256 colours, or 16 or 8 bit colours? Thanks

Or as they say: ' if it ain't copper it ain't proper'!

I have a vented gas fired central heating system, the boiler is an Ideal Classic LXFF. It was installed just over 7 years ago and has worked fine ever since. Should the system be periodically drained and refilled with new inhibitor and if so, how often?

nstreet, You asked on a previous topic, (//www.diynot.com/forums/viewtopic.php?t=20342&start=0&postdays=0&postorder=asc&highlight=bending+copper+tube), about the OLCI course. I've done a three day workshop which was brilliant. Passed a C&G assessment in copper tube installation and...

Installing new 15mm pipe to basin taps, with 3/4" tap connector on end attaching to base of tap. I can't stop the tap connector leaking. I've wrapped much PTFE tape around the joint and threads which helped a little, but it's still weeping. Any ideas? Thanks.

nstreet: Will let you know via this forum at the end of Februray how it went.

right DIA :wink: DIA ??

Thanks for your replies. If your in chelsea I will personally show you :lol: I'm based in Nottingham - a bit too far away, but thanks for the offer. I've enrolled on a 3 day OLCI practical course soon, so I guess I will get some experience there.

I'm trying to learn how to bend copper tube correctly- passovers and offsets in particular. Can anyone suggest any sources of good instructions & clear diagrams? Thanks