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Isolator valves used on CH pipes

Discussion in 'Plumbing and Central Heating' started by jon92, 9 May 2020.

  1. jon92

    jon92

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    Hello I'm hoping someone can tell me if these valves are OK on CH (vented) system? I've noticed the radiators downstream of them do not work unless pump is on full so I'm wondering if they are are for high pressure. Can't find them on the market now, could be up to 40 years old I think.
    Thanks for any help.
    20200509_112841.jpg
     
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  3. Terrywookfit

    Terrywookfit

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    They are not full flow valves . The bore will be reduced and also probably restricted with rusty deposits.
     
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  4. jon92

    jon92

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    Thank you, that explains the chilly bedroom then! I will remove them.
     
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