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heating system

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  1. H

    Pressure loss in Heating System post fitting new Expansion Tank

    Hi, hope someone can help me with a heating pressure loss problem. My valiant boiler has been loosing pressure over the last few months, resulting in me having to top up the water every week or so. Managed to get a boiler engineer to visit who diagnosed a faulty expansion tank. (Water evident at...
    • Hoppers
    • Thread
    • expansion fitting heating heating system pressure system tank
    • Replies: 26
    • Forum: UK Plumbers Forums
  2. V

    Repeated Air in Central Heating System - Help appreciated

    Hi, I'm hoping for some suggestions as to where I go next in my endless mission to stop my system taking on air. The house has a gravity fed system, 'S' plan, Heat only boiler supplying CH & HW, with separate F&E and vent just before the pump in the typical H layout, pump & valves are all...
  3. V

    Grateful for some proper advice on our heating system please!

    Hoping you can help us with a heating system question that has caused a lot of anxiety for us as a family. Just grateful for some proper, practical advice. We have a 50-70 year old four bedroom family house that has a central heating system powered by a Worcester boiler downstairs (and a...
    • Vinoir
    • Thread
    • heating heating system system
    • Replies: 6
    • Forum: UK Plumbers Forums
  4. L

    Integrity of "out of service" Central Heating System

    Hello. We bought a house (Nice, France) that is currently heated/cooled by Daiken reversable aircon....cooling in summer is excellent...heating in winter is Rubbish. The Daiken aircon was installed five years ago but the owners left in the old water radiators. The original oil boiler was also...
  5. A

    Gravity heating system question

    Hi all I’m curious about the conversion of my heating system I have a gravity system with no diverter valves, the cylinder is quite small and there is an air separator present I am curious as to how this system would be converted to a combi system, am I right to assume that the flow and return...
  6. N

    Central Heating System Losing Pressure Quickly

    My boiler started to lose pressure once a day about a week ago. It is now losing pressure very quickly and goes from 1.5 bar to empty in an hour. It does the same with just the water on and the water and central heating on. Its a Logic Max Combi C30 and was only installed in February. The Ideal...
  7. E

    Is a central heating system flush needed after replacing a radiator?

    I purchased a Kudox steel panel radiator to replace a radiator that developed a leak. There is a warning triangle on first page of the Installation Instructions with the following in red capital letters: ‘AFTER INSTALLATION THE ENTIRE CENTRAL HEATING SYSTEM MUST BE THOROUGHLY FLUSHED WITH A...
    • Enthalpy
    • Thread
    • central central heating flush heating heating system radiator replacing system
    • Replies: 3
    • Forum: Central Heating Forum
  8. O

    Multi-fuel boiler stove installation connected to existing heating system

    Hi all, first of all I'm not a plumber so forgive my ignorance. We are currently getting a boiler stove installed. This involves connecting the plumbing and some electrical to our existing heating system. The Plumber has requested that our electrician installs a spur at the location of the...
    • olestoepoke
    • Thread
    • boiler heating heating system installation system
    • Replies: 2
    • Forum: Boilers
  9. D

    Draining heating system - no water coming out

    I need to drain my heating system. I located the downstairs radiator with the drain off valve, attached a hosepipe and turned the valve...nothing comes out. I've tried this on all the downstairs radiators with drain off valve, again nothing comes out. I tried to bleed the upstairs radiators to...
  10. L

    New heating system - depressurisation

    General question to canvas some professional views please: Is it normal for a properly operating sealed system to lose pressure and need topping-up periodically? The background is that last year our house had a major renovation, including absolutely all of the plumbing (water, heating and...
  11. Farhanhaq

    Advice on old plumbing and heating system removal

    Hello, I have a commercial unit that hasn't been used for nearly 20 years. There is an old heating system and boiler in a room that powered the whole building. The system is large with a number of pipes going through out the building. I have no idea where to start with the removal of it...
  12. Stants

    upgrading / addition of Nest to heating system

    Hi I'm have a new central heating system New boiler / pressurized Cylinder 210 new mdpe main 25 mm its being done soonish ( plumbers busy at the mo ) how much more effort is needed to add a nest system or similar and what is entailed ? do you need new rad valves sensors etc. and could it be...
  13. P

    Draining radiators on a communal heating system

    Hi all, I have a small plumbing job to do for which I need to drain the radiators in my property. There are only two radiators, that are fed by a communal boiler, and pass through an immersion heater. I have already identified the isolation valves for the primary flow and the return to my...
  14. J

    Heating system question

    Can anybody tell me what this link is for on my heating system (see image with red arrow). It links just after my pump and is connected to the return after the cylinders coil. The isolation valve is cracked 3/4 of a turn.
  15. T

    Under floor heating system issue

    Hi. Hoping for some advice. Yesterday I did have an authorised tech round whom fitted a new control board and electrode/cable and my DUO TEC Compact+ 24 GA came back to life but things are not going as expected and unfortunately I am in Lithuania full time since lockdown and do not speak...
  16. S

    Corrosion problem in central heating system with standard plastic piping?

    Five years ago I had a new central heating system installed. The pipework for two of the radiators was done in plastic, running under the floorboards. Although the system was dosed with plenty of Sentinel X100 inhibitor, after about 18 months the water suddenly started to go brown, and I had to...
  17. kieran

    Change 4 zone heating system to smart thermostatic radiator valves instead?

    I've just moved into a house for the first time where I don't just have a single heating zone. This house has a central timer unit and 4 room thermostats that control 4 Honeywell V4043H1056 valves beside an currently unidentified Johnson Starley combi boiler (although there is also a hot water...
    • kieran
    • Thread
    • heating heating system radiator system thermostatic valves
    • Replies: 11
    • Forum: UK Plumbers Forums
  18. T

    Open vent heating system - Vent discharge

    Got to look at a system which is discharging out of the open vent. Any tips, hints? Gonna check f&e/pump connection locations. Pump speed. System water quality for indication of blockage. Worth cutting out the feed tee to check for blockage? Any others?
  19. M

    Vented, combination oil boiler/open fire multifuel boiler heating system. Air lock ?

    Hello there. . . I have a vented heating system, on an oil boiler. Also connected to the system is an open multifuel fire boiler which can be used with the oil boiler or on its own. Both will heat the radiators and the hot water. . . I recently drained down the system to change a radiator (a...
    • Manxie0
    • Thread
    • boiler fire heating heating system oil boiler system
    • Replies: 0
    • Forum: Boilers
  20. E

    Airlocks and bleeding commercial heating system

    Hi My elderly mother in law lives at the top of a 7 storey block flats, and her radiator needs constant bleeding. The heating system is managed by the management company, but the plumbing in her flat is her responsibility. I am seeking advice because conversations about heating quickly move...
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