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    Blue gas flame with orange flashes

    The flames of my gas hob all have orange flashes today. It this something that required action? The only other gas appliance is the boiler but there is no viewing window for the flame. I've got 3 carbon monoxide detectors which haven't alerted (2 are mains powered) and thought an oxygen starved...
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    TBOE radiators

    Turns out I have a mix of TBOE and BTOE! The radiators in the lounge and the bedroom are both fed through the lockshield at the bottom and out through the TRV at the top! No wonder the bottom stays cold
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    TBOE radiators

    I’ll give that a go, thanks.
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    TBOE radiators

    Thanks @Madrab. Problem is the blue bit is still cold an hour or two after switching the heating on. There are a couple of radiators the normal way (BBOE?) that heat up without issue. Should shorten the piping and move the valves or just spend the time balancing?
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    TBOE radiators

    It’s been a few years since I last posted, I hope all the helpful advice is still available Following a house move a now have TBOE radiators. The house is a 1990’s build with an 18 month old boiler. It looks like the inlet pipe to most radiators has been extended at some point for a top inlet...
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    Combi boiler: close heating flow and return safely?

    I decided to go for it. I turned off the heating flow and return at the boiler and drained the heating loop. The boiler pressure gauge stayed the same and the hot water worked for a couple of days like this. I have not refilled the system and added new inhibitor and we are back to normal but...
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    Combi boiler: close heating flow and return safely?

    I have a glow worm UltraCom 30cx combi boiler. Is it safe to close the heating flow and return valves and continue to use the hot water? I have some repairs to radiators and valves I need to do before it gets cold. It may take me an evening or 3 to get it done and the Mrs cannot cope without...
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    Drain heating - keep hot water

    I have a Glow worm Ultracom 30cx combi boiler feeding a sealed heating system. I plan to replace a couple of lock shield valves along with moving a radiator. Is it safe to close the heating feed and return at the boiler to allow me to work on the heating circuit while still having hot...
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    What lock is this?

    That is exactly what I saw. Thank you for the answer.
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    What lock is this?

    Maybe its a poor photo. The external shape looks to be euro, but the key hole looks very different. It's recessed into the outer shell and appears to have rubber shields so I could not see the actual key hole. A normal euro style key looked too big. I could not check as I do not know the...
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    What lock is this?

    I have recently seen a few of these locks in doors, but never been able to find a supplier or even a description of exactly what they are. Any clues world be helpful. Thanks
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    Central Heating cost.

    Thanks for the info. I'll stick £5k in the budget as that should cover it.
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    Central Heating cost.

    I am considering purchasing a 1930's 3 bedroom semi detached house. It currently has a water heater in a small airing cupboard in the bathroom and no central heating. Before I make an offer on the house I would like to have a rough idea how much a full central heating system would cost. I am...
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    saggy bricks

    The bricks above my patio door have dropped. When we moved in the patio door was a UPVC window. I am guessing the wall was patched up after it was installed. We had the window changed to a patio door, the installer said everything was OK. It looks to me as if things are still moving, there are...
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    Thermostat battery life

    I see what you mean now. Is it ok to use the earth as a switched live? I thought that was bad practice.
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    Danfoss TP9 replacement

    Mogget, you are correct. I switched to pumped mode and everything works as normal. Will try to find am affordable TP9000 now. Thanks for your help. I'll try to port some photos tomorrow.
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    Thermostat battery life

    I know it is twin + earth cable. Are there any 2 wire thermostats which don't need a battery?
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    Danfoss TP9 replacement

    mogget, This is the diagram I drew when I last looked at my central heating wiring:
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    Thermostat battery life

    I dont have one yet, am just shopping around.. I have a twin and earth cable to the stat location currently
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    Danfoss TP9 replacement

    Can not remember the colours, but it is a 2 port fully motorised zone value.
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