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Metal adapter on radiator valve, is there a risk of corrosion?

Discussion in 'Plumbing and Central Heating' started by Lumo, 31 Oct 2019.

  1. Lumo

    Lumo

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    I have some old danfoss radiator thermostats with an RA fitting which I would like to change for some with a timer.

    The new thermostats have the RAVL screw connector and came with a plastic adapter to attach over the RA valve. The plastic adapter is useless but on amazon and ebay there are people selling metal adapters, some appear to be brass/copper and some are an unidentified shiny metal.

    I bought one of each and they work fantastically in terms of fitting them. However, is there a problem with mixing the metal of the adapter with the rest of the CH pipework? I understand that this adapter is not actually in contact with the water in the system, but is the humidity in the room enough for this to be a concern? Is there a type which is best to use or am I worrying over nothing?
     
    Last edited: 31 Oct 2019
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  3. Jackrae

    Jackrae

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    I think you are worrying about a non-event. Room humidity will not be sufficient to cause bi-metallic corrosion
     
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