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Before the freeze

  • 28-11-2011 9:23pm
    #1
    oikster
    Closed Accounts Posts: 180 ✭✭


    I have been asked by several landlords to drain both plumbing and heating systems in properties that may be unoccupied over the christmas period as they are afraid of a repeat of last years disaster. Radiators, boilers,cylinders and pipework are straight forward enough but today I was asked to drain an underfloor heating system which to me doesn't seem as easy. Any tips would be appreciated.:confused:


Comments

  • #2
    Micky Dolenz
    Registered Users, Registered Users 2 Posts: 44,080 ✭✭✭✭Micky Dolenz


    Disconnect manifold and connect an air compressor or manual/foot pump. Connect a pipe to other end of loop and run it outside.


  • #3
    ArtSmart
    Registered Users, Registered Users 2 Posts: 5,614 ✭✭✭ArtSmart


    What? I thought water in the plumbing system was ok if left on for a bit twice a day?


  • #4
    Micky Dolenz
    Registered Users, Registered Users 2 Posts: 44,080 ✭✭✭✭Micky Dolenz


    ArtSmart wrote: »
    What? I thought water in the plumbing system was ok if left on for a bit twice a day?


    OP refers to empty properties that are vacant long term. No point spending money on heating.


  • #5
    oikster
    Closed Accounts Posts: 180 ✭✭oikster


    Micky Dolenz wrote: »
    Disconnect manifold and connect an air compressor or manual/foot pump. Connect a pipe to other end of loop and run it outside.

    Is it possible to drain the loops completely because the manifold is the lowest access point. I know air will push most of the water out but if there is any left what would the chances be of damage in a prolonged cold spell. I suppose it would need to be really bad to freeze these pipes. Thaks for reply MD


  • #6
    Micky Dolenz
    Registered Users, Registered Users 2 Posts: 44,080 ✭✭✭✭Micky Dolenz


    oikster wrote: »
    Is it possible to drain the loops completely because the manifold is the lowest access point. I know air will push most of the water out but if there is any left what would the chances be of damage in a prolonged cold spell. I suppose it would need to be really bad to freeze these pipes. Thaks for reply MD


    You will only drain the manifold from the manifold drain point and the loop will still be full. I wouldn't worry about it freezing but I couldn't 100% guarantee that to a client. I could if I pumped the water out of every loop. If I were in your shoes, I would do as your client requested and bill him accordantly.


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  • #7
    oikster
    Closed Accounts Posts: 180 ✭✭oikster


    Micky Dolenz wrote: »
    You will only drain the manifold from the manifold drain point and the loop will still be full. I wouldn't worry about it freezing but I couldn't 100% guarantee that to a client. I could if I pumped the water out of every loop. If I were in your shoes, I would do as your client requested and bill him accordantly.

    That's exactly what I was worried about. I don't want the client coming back to me saying "but you said it would be OK". Thanks again.:)


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