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My new rad wont heat up

  • 15-08-2011 7:28pm
    #1
    reggaeman
    Registered Users, Registered Users 2 Posts: 136 ✭✭


    Hello.
    Another new problem with radiators that you might find interesting.
    I have had this problem for a long time. My rad in the hallway never did heat up properly’ so just this week I decided to replace it with a new one. When I was draining the system there didn’t seem to be much water coming out from the system. Any how I put the new one in and let the tank fill up. I bled the new rad until water came out. Then turned on the heating. But now I don’t get any heat from the new one. All the other rads are fine. (Did open outlet rad on right) Just included photo of my piping
    . System is oil fired.


Comments

  • #2
    Outkast_IRE
    Registered Users, Registered Users 2 Posts: 7,516 ✭✭✭Outkast_IRE


    blockage in the pipe or rad valves is the only possibility so , as long as your sure the rad valves are open fully


  • #3
    Joey the lips
    Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    If its a new rad and assuming its plumbed correctly then there is most likely a blockage in your line.


  • #4
    reggaeman
    Registered Users, Registered Users 2 Posts: 136 ✭✭reggaeman


    Thanks. Would you know how I could go about cleaning the pipe out.


  • #5
    Joey the lips
    Registered Users, Registered Users 2 Posts: 10,262 ✭✭✭✭Joey the lips


    reggaeman wrote: »
    Thanks. Would you know how I could go about cleaning the pipe out.

    If it were me i would turn the rad on and follow the pipe back till it heats up. Here abouts usually lies the blockage but this is not accurate all the time.


  • #6
    DoneDL
    Closed Accounts Posts: 902 ✭✭✭DoneDL


    The system may just need balancing, turn a couple of your larger rads off and see if the problem rad heats up and count the number of turns.


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  • #7
    reggaeman
    Registered Users, Registered Users 2 Posts: 136 ✭✭reggaeman


    Not at home just now. But will try it tomorrow. Thanks.


  • #8
    aujopimur
    Registered Users, Registered Users 2 Posts: 3,953 ✭✭✭aujopimur


    Turn off all the other rad, this might kick start the circulation to the new rad.


  • #9
    reggaeman
    Registered Users, Registered Users 2 Posts: 136 ✭✭reggaeman


    I Drained the system out again. I then bled the rads from upstairs. When I got to the last (the new one) It started to get hot. But this is the strange thing. It was getting nice a hot and then started go cold. I noticed the hot water was coming in from the right side. the left side inlet pipe was still cold. So now I thinking have the inlet and outlet valves been put on the wrong way. All the other rads have the inlet on the right.
    The old rad I took off had the same problem' It would start to get hot and then go cold. When I put my hand to the outlet pipe it is very hot a first' then to warm. Im stumped whit this one.


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