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White substance on ballcock

  • 20-11-2016 09:36PM
    #1
    Roen
    Closed Accounts Posts: 4,504 ✭✭✭


    Hi,

    Got into the attic to take a look at the tank in the attic. Apart from needing a jacket I noticed some white crystalline stuff on the ballcock and around the edges of the tank at the water level.
    Anyone any ideas what this is?

    kkv811Ql.jpg


Comments

  • #2
    afatbollix
    Registered Users, Registered Users 2 Posts: 4,192 ✭✭✭afatbollix


    Limescale. Seen in areas of hard water. Nothing to worry about.


  • #3
    Roen
    Closed Accounts Posts: 4,504 ✭✭✭Roen


    Cheers,

    We're in a very hard water area alright.


  • #4
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,707 Mod ✭✭✭✭Wearb


    Just have a check to see if there is any water coming out the vent pipe when running.


  • #5
    Roen
    Closed Accounts Posts: 4,504 ✭✭✭Roen


    Wearb wrote: »
    Just have a check to see if there is any water coming out the vent pipe when running.

    The vent pipe being the one above the ballcock? And when the heating is running I take it?


  • #6
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,707 Mod ✭✭✭✭Wearb


    Roen wrote: »
    The vent pipe being the one above the ballcock? And when the heating is running I take it?

    Yes. If you have solid fuel, also check it when that's up to full temp.


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  • #7
    Roen
    Closed Accounts Posts: 4,504 ✭✭✭Roen


    Cheers,

    We're on oil only. I'll throw my eye on it later today.


  • #8
    Roen
    Closed Accounts Posts: 4,504 ✭✭✭Roen


    Wearb wrote: »
    Yes. If you have solid fuel, also check it when that's up to full temp.

    Threw my eye on it anyway at full heat and nothing from the vent at all. Is the vent a safety release for back boilers?
    Hence you getting me to check in case the water was being overheated?


  • #9
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,707 Mod ✭✭✭✭Wearb


    It's a safety for any open heating system and if water comes out of it it highlights some circulation problem. Poorly installed boiler stoves often cause "pumping over", but can happen on any heating system.


  • #10
    Roen
    Closed Accounts Posts: 4,504 ✭✭✭Roen


    Thank you,

    I poked my fingers as far as i could up it to see if it was wet or warm and it was dry.

    Don't take that last sentence in isolation.


  • #11
    hatevodafone
    Closed Accounts Posts: 55 ✭✭hatevodafone


    Roen wrote: »
    Thank you,

    I poked my fingers as far as i could up it to see if it was wet or warm and it was dry.

    Don't take that last sentence in isolation.

    Think I have white stuff on my ball cock now


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