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Heating on, but some radiators switched off and still getting warm?

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  • Section62
    Section62 Posts: 9,737 Forumite
    1,000 Posts Fourth Anniversary Name Dropper
    Ganga said:
    I have just changed a radiator in our hall ,turned the lock sheild off by counting the turns then turned the TRV down to closed ,snowflake sign then tried to drain the radiator ,i was getting hot water out of it even though it had been closed down for a few hours ,checked the TRV was not fully turned off by a miniscule amount ,worth checking they are fully closed.
    I did wonder about this - whether the snowflake rather than a '0' indicates the valve never completely closes in normal use.
  • FreeBear
    FreeBear Posts: 18,193 Forumite
    Tenth Anniversary 10,000 Posts Name Dropper Photogenic
    Section62 said:
    Ganga said:
    I have just changed a radiator in our hall ,turned the lock sheild off by counting the turns then turned the TRV down to closed ,snowflake sign then tried to drain the radiator ,i was getting hot water out of it even though it had been closed down for a few hours ,checked the TRV was not fully turned off by a miniscule amount ,worth checking they are fully closed.
    I did wonder about this - whether the snowflake rather than a '0' indicates the valve never completely closes in normal use.
    Snowflake is around 5-7°C, and is just there for frost protection. The TRV should be closing the valve completely whilst the room is above 10°C or so.
    Her courage will change the world.

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  • km1500
    km1500 Posts: 2,790 Forumite
    1,000 Posts Second Anniversary Name Dropper
    you can get cheaply caps that will screw on and fully close the valve where the tvr is

    unscrew the tvr, replace with a cap, turn cap fully down

    alternatively turn rad off using other end opposite to tvr, but count and note the no of turns so if you ever turn it on again you maintain the balance.
  • ThisIsWeird
    ThisIsWeird Posts: 7,935 Forumite
    1,000 Posts Second Anniversary Name Dropper
    km1500 said:
    you can get cheaply caps that will screw on and fully close the valve where the tvr is

    unscrew the tvr, replace with a cap, turn cap fully down

    alternatively turn rad off using other end opposite to tvr, but count and note the no of turns so if you ever turn it on again you maintain the balance.
    Yes, you can to both. But shouldn't have to.
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