central

  1. R

    Speedfit to copper on central heating systems.

    As per the title. What do you think of using Speedfit in part of the cental heating system? In particular a 15mm x 300mm flexi pipe. Bent at 90 degrees. See link. Not sure what I am dealing with yet but I suspect a leaky Yorkshire elbow below the floorboards. Rather than remove it, clean it...
  2. S

    Help please! Need to identify Central Heating Filter

    Hello, I am a new home owner and I need some help please. I have a filter attached to my boiler (Baxi Combi). The filter does not have a label. I need to identify what the filter is. Apparently these filters come with a sort of circular key to tighten the top. I did not get a key with the House...
  3. T

    Ideal Logic+heat 24 (not combi)

    Hi I have an Ideal Logic+heat 24 (Not Combi) it is: Alternatly flashing between: 0 (on its own) and C (on its own) when in central heating mode, it works fine on water only, any idea as to the fault? many thanks Tom
  4. C

    Electrics under the bath

    Hi, I’ve just taken off the side of the bath with the aim of fitting an overhead shower to the bath, and have found an electrical unit under the bath, which appears to be for the central heating system. It’s fixed to the floor, so it’s not raised, and the fact that a small ingress of water has...
  5. C

    230 volt central heating box under bath

    Hi, I’ve just taken off the side of the bath with the aim of fitting an overhead shower to the bath, and have found an electrical unit under the bath, which appears to be for the central heating system. It’s fixed to the floor, so it’s not raised, and the fact that a small ingress of water has...
  6. D

    Central heating reset?

    I have split-level heating in a 3 storey townhouse. The control unit on the ground floor is wired and controls the heating on the ground floor and half of the first floor, and the hot water. The unit on the first floor is battery powered and controls the heating for the rest of that floor and...
  7. C

    Central Heating plan

    Hi Firstly I'm not a plumber or an artist 😂....... Could you guys look at my sophisticated plan and tell me if this is correct, advice would be much appreciated. My situation, concrete floors, boiler downstairs I have 4 rads up and 4 rads down and will be running copper solder. Is it possible...
  8. B

    Can I have the central heating on even though the grundfos water booster has packed in?

    As per title I have a water booster and it is now broken but I am not sure I can have heating on as it may be topped up by the booster. The booster was for taps and 2 power showers so no no showers and only a trickle from cold less from the hot. Its an oil fired CH system with a condensing...
  9. N

    Do central heating sealants work?

    Hi Iv been trying to find a leak on a central heating system for a few days now but haven't found nothing obvious. I took up the floorboards downstairs and everything looks good. Another gas engineer has recommended I use central heating sealants as they can be quite effective but a second gas...
  10. C

    Can't remove air from central heating after replacing pump

    I have what I believe is a fairly standard open vented Y-plan heating system with a header tank and cold water tank in the loft (I have attached a picture of what I have worked out). I am not a plumber, but I am confident with pipe work - normally I would call a plumber but with the current...
  11. J

    Central heating flow/return 3 bed terrace - 15mm or 22mm

    My son has a 3 bed terraced house and a damp patch on a ground floor timber floor/wall that I think is caused by a pin hole/failed joint in the copper pipe. Rather than just do a localised repair I intend to replace all the ground floor pipe. The exisiting setup has 22mm pipe dropping down from...
  12. A

    Main 30 HE losing pressure after central heating heating been on

    Good Afternoon folks. Thanks in advance for any advice. I have a main 30 HE Combi. It loses pressure down to zero after the central heating has been on. If I start the day on 1 bar, it holds fine. Run the hot water/have a shower etc pressure goes up, then returns to 1 bar when turned off and...
  13. M

    Central Heating radiators not heating correctly

    Hello, I need some help please I have an open vented central heating system with a Potterton Profile Boiler. Probably 25 years old I was having trouble getting all of the radiators hot at the same time, by turning the upstairs off I could get most of the downstairs hot for a while and vice...
  14. F

    Fitting an Airvalve / bleeding point in central heating

    Hello, total plumbing noob here. I have a sneaking suspicion that the pipes in my house that run all the way to the attic are full of air (picture attached of pipes). These are the pipes that used to be fitted to an older hot water tank which was removed and replaced with a combi boiler- but...
  15. K

    New Oil Central Heating System

    Hi. I have a new oil central heating system having had solid fuel previously. It’s stopped firing up and I’m not sure if it’s because the oil is low or if there’s a problem. Plumber not answering (I understand, it’s that time of year). He hasn’t been back to “flush/clean” the system. It was...
  16. L

    Central heating issues

    Hi, ever since I turned off my hot water water to plumb in a new basin, I've had dramas with my central heating. I turned off both the stop-cocks in the airing cupboard... I'm now assuming one was for the hot water and the other was for the heating system. Now when I have both the hot water and...
  17. M

    Manually turn on central heating when wifi down with Nest ?

    Hi, My daughter's wifi has gone down, all of south west London Virgin users have no wifi for past 3 days due to someone cutting a cable. She has just moved into a house with Nest installed and is using underfloor heating to get heat. Does anyone know how to manually turn on the heating with...
  18. C

    central heating flush issue

    I have been called in to sort a friend's heating system. They were constantly bleeding some of the radiators! The plumbing is a bit of a nightmare, done by the owner but cut and changed over the years. Originally there was a backboiler heating the system, this was removed and an oil boiler added...
  19. DJseals

    central heating issues

    Hi Guys, any help here be greatly appreciated. I have had some issues with our heating since it was installed in april. during autumn i noticed it was pumping over into the F/E tank. An expansion vessel and auto air release was fitted to deal with this. After this the radiators in the bedrooms...
  20. D

    Issues with boiler and central heating.

    Hi. Thanks for allowing me to register. If anyone could help me with a few questions, I'd be ever so grateful. Background; 1. Bought a house, didn't replace pipework but got new boiler. Conventional system, non-combi, tanks in loft etc. Huge gas bills, no real heating. 2. Took the old rads out...
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