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heat

  1. L

    Is a pool heat exchanger suitable for a communal heating system?

    Hello all and Merry Christmas, We are in the process of planning the replacement of our 50-year old heating boiler serving a residential block of 12 flats with a total of 60 radiators. It is a vented single-pipe heating system, which has not been properly maintained, and we only recently...
  2. A

    Radiators very slow to heat up

    Radiators very slow to warm up on ground floor. I live in a two storey house with unvented hot water cylinder and closed CH system. Boiler is on ground floor. The unvented hot water cylinder, water pump and expansion vessels are in the loft. Ground floor CH has two port valve and radio...
  3. B

    No heat after radiator removal

    Good evening all, Today I removed a bedroom radiator and capped off the ends. I started with the full works - boiler switched off, drained system, removed radiator and then filled up the system. I then bled the radiators and returned the boiler pressure back to 1.5. Turned the boiler back on...
  4. E

    How can I get heat into Gravity Fed UFH system

    Hi folks, I’m in need of some sound advice. We have recently had a ground floor extension and have had underfloor heating (company: JK UFH) installed throughout most of the downstairs. We have a few rads still left downstairs and the entire upstairs is still heated through rads. We have a...
  5. O

    Logic Heat 15 constantly Calling for Heat and turning on/off

    Hello all, new member here and got a problem! I have a Logic Heat 15 boiler. I noticed the other day that it was switching on and off. I had a look at the boiler and the status light constantly shows “C” and the burner light will turn on for a minute, then off for a couple minutes, then on for...
  6. D

    One week no heat or water need new boiler

    Hi this post is on behalf of my niece, after my boiler had broke and needed new heat exchanger I was partially without heating and hot water for 2 weeks all fixed now. But after mine was done. My niece's went down and it as a fault of not enough gas getting to boiler she has 3 children under 5...
  7. P

    Had no heat or hot water for two weeks

    Not sure if this is a success or a fail or just a rant but We do have heat and hot water now So all started the evening of Friday the 12th (Nov) I had noticed the water wasn't getting hot nor the heating. We had someone come have a look the next day thinking it was something simple like the...
  8. king of pipes

    Alpha 24cdr heat only

    Anyone been to one of these this one's playing up ??
  9. Lou

    Heat and Buildings Government Strategy

    Has anyone had a good look through this Strategy to lower Carbon emissions by 2050? Introduction from the govt website The heat and buildings strategy sets out the government’s plan to significantly cut carbon emissions from the UK’s 30 million homes and workplaces in a simple, low-cost and...
  10. M

    choice from the experienced for oil fired 'heat only' boiler ?

    I don't work now due to being ancient. I looked at a 'Range cooker' fired on kero. It had a slow leak that turned into a bad leak in a month! It had a welded fabricated boiler. I've seen such heat exchangers leak within 7 years from new. No wonder the Potterton heating production manager said...
  11. H

    Please help, loud clanking noise from heat exchanger/boiler?

    Hi guys My boiler has been making a strange clanking noise which sounds concerning. Below is a link to a video where I recorded the noise. Any ideas what’s happening ? Currently chasing the landlord to get someone to look at it. Thanks Clanking boiler sound -...
  12. A

    Small cracked heat exchanger really an immediate do-or-die-NOW problem?

    I wrestle trying to get my mind around the claimed dangers of a heat exchanger with a small crack in it. I know salesman LOVE it, as it is very convincing to homeowners, and since personal safety is implied, it's pretty much a "signed deal" for a new furnace. I believe I have so much evidence...
  13. C

    My grant 70 mk 2 heating pressure is constantly increasing in pressure. I have changed the heat exchanger

    My grant 70 mk 2 heating pressure is constantly increasing in pressure. I have changed the heat exchanger as I believe that was the problem. Any ideas
  14. M

    Getting hot water but no heat to radiators.

    Hi, I am abit stuck and cant really find a solution anywhere.. So, i have an F&E gravity system. The central heating pump needed replacing as the shaft had seized, changed it all well and good pump working lovely. I am getting only hot water The mid position valve is on the middle setting , if...
  15. S

    log Burner Heat exchange?

    Hi all. Does anyone know of a small water heat system that I can attach directly to the back of my log burner, in my living room, that can conduct the heat (by contact) of the log burner and flow the hot water to a panel radiator in another room (e.g. conservatory)? I only want a very simple...
  16. F

    Combi-boiler plus Thermal heat store - problem and suitable replacement recommendation

    Hi, sorry to bother you all with this but I am really struggling to find a suitable combi-boiler replacement and a knowledgeable heating engineer to discuss options. Ive tried to note as much relevant details below - apologies if its too long or irrelevant. Any help most gratefully received...
  17. J

    Air source heat pumps in the news again

    I'm getting so sick of the media and tories plugging ashp's like they are the solution to all our heating needs. Latest news today, £5k grant towards the cost of replacing a gas boiler with an ashp. What a joke. Every ashp system I've worked on and installed runs the heating at 40 degrees...
  18. B

    Hot water but no heat Heatslave 18/25

    We have a 9 yr old Heatslave 18/25 that's been regularly serviced. Heating was on in the morning but failed in the evening. My son is Gas safe engineer and suggested trying a few things before calling our usual engineer. He disconnected the twin channel control panel and put in link's so it is...
  19. S

    Balancing radiators on Heat Pump System

    My radiators are fed by a Ground Source Heat Pump. On the balancing advice I have seen, it says to have a 12 degree difference between feed and out on a normal heating system. My question is because the boiler runs at a lower temperature than a normal boiler, what temp difference should I be...
  20. NeetieM

    Replacing a 12 year old air source heat pump

    Hello, I hope someone can give me some advice on replacing an old air source heat pump. We moved into a shared ownership house last year which has a Daiken air source heat pump fitted to provide heating and hot water. The unit was fitted when the house was built 12 years ago. It seems that the...

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