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The fridge and freezer have their own MCB, but into the same RCCB.

No water problems or recent work carried out, the very intermittent nature of the drop out is very puzzling, and not related to anything being turned on etc. The idea of swapping the fridge and/or freezer over to the other RCCB is a good idea, they are on separate MCB’s but the same RCCB at...

My Contactum consumer unit has two RCCB's fitted, one has seven MCB's off it and the other five MCB's off it. The RCCB with the five MCB's keeps intermittently tripping out, it can go for weeks without tripping, then perhaps goes twice in a week. As the fridge and freezer are on this RCCB one...

I've exchanged the head from another radiator, still the same. I've also replaced the head with a plastic lock down cap, still the same. Rod

I've already tried that, it moves up and down ok. Thanks Rod

The valve has gone faulty in my Pegler Terrier TRV, it doesn't turn the radiator off even on Frost. I've swapped the Termal head, still the same. Can I replace the TRV without a system drain by freezing it? I'm a bit concerned about the radiator outlet from the TRV, with it being a short...

Sorry to be a bit thick, but is a 'Heat Only' boiler replacing the existing boiler with a like for like, or a condensing boiler? I'm not clear on what boiler types are now available, if I keep the existing tank (hot water capacity is ok) do I get better efficiency from a condensing boiler...

I currently have a gas Y Plan system fitted in my three bedroom detached house. The system is working ok but the boiler is rather old and getting noisy so I'm thinking of replacing it. Should I just replace the boiler with a new condensing boiler to get better efficency (my understanding of...

I did think about an electric shower, but my experience of them in other peoples houses has been that they give very poor pressure compared with a power shower. Have they improved, can you reccomend a good electric shower?

I want to install a power shower in a shower room I'm building. I've already got mains pressure cold water to the room, and tank fed hot water. For a number of reasons I can't get tank fed cold water to the room. If I fit a single impeller shower pump to the hot supply it would give about 1.5...

I'm going to plaster it to match the other walls.

I want to move a door in my utility room which involves building a small new wall in 100mm Bradstone blocks (about 1000mm wide). For various reasons I can't build a cavity wall, it will have to be two Bradstone blocks thick, 200mm. As there will be no cavity should I insert a vertical...

Here's a link to a full explanation of how PIR pulse counts work, from this you can see what the various jumper settings mean. http://www.mos.co.za/downloads/e91092/applinfo3.pdf Much better than a 'wire them up then jump up and down in front to see what happens' approach. Is it a...

I was hoping for an answer from someone who had knowledge of PIR's to save me time during the installation, not the the forum comedian !

" Select one of the three jumper positions"

I'm just fitting Alarm PIR Detectors and there is a jumper inside them which can be set for 'Digital Pulse Count', with settings of 1, 2AP & 3 available. I guess 1 & 3 are the number of detections before it triggers, but what is 2AP? Also what's the best setting to use for normal household...

I've just replaced the bathroom radiator with a vertical towel rail. The top of the towel rail (and bleed screw) is now higher than the Bottle Air Vent on my Y plan system. Will this cause a problem, should I raise the Bottle Air Vent to get it above the top of the towel rail? Thanks for...

I'm refitting my kitchen and want to change the sink waste pipework, a 40mm pipe goes from the sink through the wall and into an outside drain at present. I want to remove the outside drain (I've checked and the underground pipe only feeds this drain) then use a pipe boss on the 110mm pipe to...

I want to repair a couple of cracks in the rendering on the rear wall of my house. I've removed the rendering around the cracks to a width of about 30mm and a depth of about 10mm. The wall is sound behind the cracks which appear to have been there a long time. The removed material appears to be...

Many thanks for the reassurance, the mantlepiece is in three pieces. As I've got to reduce the height of the opening a friend suggested I put in a lintel to do this by inserting it just below the row of vertical bricks to support them. This appears a good idea 'just in case'. Thanks again Rod