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heating

A central heating system provides warmth to the number of spaces within a building and optionally also able to heat domestic hot water from one main source of heat. It is a component of heating, ventilation, and air conditioning (HVAC) systems, which can both cool and warm interior spaces.

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  1. B

    What is the problem with my oil central heating system?

    Context for issue: Last winter the temperature switch on my boiler shorted somehow, the boiler was then running WAY too hot and ended up blowing/melting a hole in one of the pipes. I repaired this by putting in a new stretch of pipe in and just connecting it to the existing pipes with two...
  2. B

    What is the problem with my central heating system?

    Context for issue: I'd like to start by saying I'd rather not read 100 "Hire a professional comments", I will do that when/if it comes to it, but I'd like to do it myself if possible. All images for system here: https://*********/a/ngPQkre Last winter the temperature switch on my boiler...
    • Butchy10
    • Thread
    • central central heating central heating system heating heating system oil boiler problem system
    • Replies: 0
    • Forum: UK Plumbing Forum | Plumbing Advice
  3. F

    Heating Possible conflict between Ideal boiler and Gledhill cylinder

    My heating system comprises an Ideal Logic 12 boiler located downstairs and a Gledhill OV SOL cylinder located upstairs . The problem is that when the Gledhill controls for the “hot water” and “central heading” are turned on the Ideal boiler makes a constant “clicking” noise and tries to start...
  4. RenzoPan

    Leak in the expansion vessel - can I keep the heating on?

    Hi, We have a leak in the expansion vessel, which is on the first floor, above the hot water cylinder. As we wait for a plumber, can we keep the heating on?
  5. S

    Towel radiator not heating

    Hi, I have an electric towel rail which has stopped working. All the lights are flashing from blue to red and the boost light is flashing green I have tried re-setting it but still no luck. Can anyone help please? I have the manual for it and it’s a Smart version from Advanced Heating Solutions.
  6. R

    Radiator is heating up only to 1/3 of high

    Hi to all, I have bought a new radiator as replacement for old one. After installation by plumber, the new radiator is heating up only to 1/3 of high. The rest remain cold. Also, radiator is making quite loud noise when heating up. The system/radiator is free of air. My plumber was...
  7. J

    Heating won’t come on after draining system

    Hi, I drained the the central heating, to remove a radiator. After refilling it, the heating now won’t work. It’s a combi . I’m getting this symbol
  8. P

    Installing a tigerloop combi-3 in new heating oil supply installation.

    I’m replacing my single skin plastic oil tank with a new bunded oil tank. I’m going to replace the single 10mm pvc covered oil pipe too, so to keep the number of compression joints to a minimum, I’d like to fit an external tigerloop combi 3 de-aerator (the one that incorporates an isolation...
  9. nashant

    Vibration when first opening hot tap after u/v cylinder heating cycle

    Hi all. As the title says, I have a problem with an unvented cylinder I had installed last year where the first time I turn a hot tap on after the cylinder has been heated I get what sounds like a vibration. It generally starts about 1s after I open the tap and lasts for about 1.5s. I've...
  10. M

    Please help identify this part under floor heating

    Hello, Have had a leak on my UFH manifold. Originally incorrectly diagnosed as being the nuts/washer to the pump, it now looks like it's coming from this thermostatic valve. Have tried googling "ufh thermostatic valve" and none of them look like this or have connectors like this (guessing part...
  11. R

    Rad heating up while off

    Hi I’m new here and don’t know a thing about plumbing so be gentle on me as I am also going to ask a possible dumb question, this summer I turned of the ”heating“ on the Drayton box and turned thermostat to zero but obviously had to keep the hot water on as I do every summer but I noticed the...
  12. S

    DIY Replumb Heating system

    Hi, I'm after some advice for a current system which I'm looking to replumb. Our house has had various extensions of heating system with newbuild extension and other additional rads over the years and now the system is inefficient and doesn't heat up consistently. In the extension, because the...
  13. W

    Can I have single zone central heating when pipe installed for 2 zone?

    A bit of clarification - I have extended a 3 bedroom semi detached and at the time central heating pipes were going in I told the plumber could I have 2 zones - one for bedrooms upstairs and another for the living areas downstairs. Now the plastering has been finished and I am costing the combi...
    • waynetr
    • Thread
    • central central heating central heating system engineer forum heating installed pipe pipework plumbing single zone zones
    • Replies: 0
    • Forum: Plumbing Zone
  14. E

    How to calculate heating system capacity for expansion tank

    Hello want to know on how do you calculate size of expansion tank for closed heating systems . for example 500 meters of 16mm underfloor heating and 4 double ~1000mm radiators , hot water cylinder coil , and oil boiler
  15. T

    Vaillant Ecotec 824 R1 - random noise when heating ON

    Hi I'm dealing with Vaillant Ecotec 824 R1 in one flat. The boiler make a very loud noise when central heating is on - this is random and occurs mostly at night. I'm sharing video showing the problem: So far we changed: 1. Expansion vessel 2. Pump 3. Water pressure gauge - analogue sensor...
  16. I

    Thermal Store Heating Up Cold Feed Pipe

    Hello, I have just installed a vented McDonald 250L thermal store, it is for multi fuel but currently just connected to a standard oil boiler in the garage which is fully pumped to the TS, the system has two pumps both basic 3speed Grunfoss, one on the boiler return and the other on the CH flow...
  17. S

    No heating flow. Pump and diverter working, what else could be wrong?

    Hello all, I have a WorcesterBosch Greenstar 42CDi classic combi, which is providing DHW fine, but not heating. Was working fine in spring, probably not been used until recently now it's colder. When heating is called for, the boiler fires up ok but soon shuts down the heater as the...
  18. K

    What could be wrong with central heating?

    Hoping for some advice as I seem to be hitting a brick wall. Moved into a house last year, radiators down strairs (4 of them) never really got warm, replaced the combi boiler this year as it was loud and leaking (its in the loft which has been converted into a room). Since turning the heating...
  19. J

    Blockages in 10mm plastic central heating pipes

    Our house was built in 2007 and we are the second family to live here - moving in in 2017. The central heating has been working fine - although the gas boiler is perhaps nearing the end of its life. But the boiler is not our current issue. Last winter two of the radiators did not heat up and...
  20. J

    Cylinder System not running heating and water at the same time

    Hello, Newly moved into a house with a mains fed cylinder system. I've never had one before and struggling to get it working. When I turn either heating or water off at the timing unit, the other works fine. Eg, with heating off, water works and vica versa. The indicator lights are solid blue...
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