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Has anybody replaced the heat exchanger on a Highflow 3.5 , Around 1994 (It serves both CH & DHW) I've identified mine is scaled up and am going to buy a replacement . Over the years i've replaced the divertor valve and pump no problem but was wondering if its a tricky job to do the exchanger?

Old Back boiler I know and will need replacing soon but would like to keep it going another year.. Have identified that gas valve has failed but been told obsolete...Is there anywhere that I can get one from and then get a CORGI guy to fit for me.. Many thanks

I need to get to the thermocoupler and check the pilot jet for dirt/blockage on this old back boiler.. I can't fathom how to remove the front gas fire to get to the pilot jet and the thermocoupler it looks is a really inaccessible place...tucked right at the bottom left of the back of the...

Just got up in the loft of our house for first time to find out what is causing damp patch on ceiling.. There are three water tanks..A large one which I assume is the hot water supply gravity fed.. There are two other small tanks side by side..I was expecting one..Are they both F& E...

Hi The hot water coming out of my kitchen mixer tap has stopped flowing and is now just a trickle.. hot water is working fine in the upstairs bathroom. I don't have any central heating and the hot water comes out of a copper cylinder immersion heater upstairs.. Any ideas on what might...

Thee is a bit of building/possible plumbing/possible electrics so hopefully this is the best place for this post I'm currently building a conservatory and am undecided on how to heat it..I've got the option of plumbing in a radiator off the existing system or installing underfloor electric...

I'm shortly to lay the concrete slab for my conservatory.. The access to the conservatory from the house are through two sets of upvc doors on my property which have upvc door sills outside My question is what height do people normally build a conseravatory floor to..is it the same height as...

i'm just about to start building a conservatory and intend taking the mains electricity for it off an existing socket in my house extending a ring..For a number of reasons the most sensible way of running the cables in the conservatory would be in the floor base whilst i'm building it as this...

I've offered to help a friend of mine on this and it will be that does the fitting and therefore will be my problem if it all goes wrong :D Ok the current programmer is a 30 year old 30/60 programmer that is basically worn out...Its a huge ugly thing that apparently was/is popular in local...

Hi went to help a friend yesterday after I dignosed the diaphragm on her toilet cistern was shot (no flush)..anyway removed the siphon no probs and sure enough that was the problem...I had bought a new siphon to fit which was the correct height (11 inches or there abouts)..Much to my horror when...

Hi, I have a load bearing RSJ in my kitchen extension that i'm building..It overhangs the ceiling downwards and really you would not want it to sit much lower than it is... My question is regarding fire projection...I realise double skinning with plasterboard is the obvious one although i'm...

I have to construct quite a deep tunnel to fill the gap between the roof and ceiling for the velux I have fitted in my extension...Any tips on how to do it and also what short of angles I should make it ??..Anyone done it???

I've just bought and had delivered two new upvc French doors (doors ditted to frame but unglazed) and a window ..They were from a Fensa registered company & I'm going to fit themselves as part of the extension i'm building..Building inspector will review as part of site visit Might sound a...

I have to replace a small section (about 20 tiles /5 courses) of plain concrete tiles..They have two holes at the top of them and are nailed into the battens...My question is when I have gone up the courses how on earth to I nail the final course as I will be unable to get access to the nail...