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Replacing Old Radiator Valves

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  • 25-04-2019 1:35pm
    #1
    captainshamroc
    Registered Users Posts: 159 ✭✭


    I have a 80's house with one heating zone that I plan on adding some wireless trv's to give me more heating control.
    The problem is the valves are 1/2 inch to the heating pipe and 3/4 inch to the radiator. I've tried a few plumbing shops that have worked for me in the past but nothing. They just have the standard trv valves with two 1/2 inch connections. I've still one shop that are fairly knowledgeable to try but figured if anyone here might know of any place to stock something that might work. All the radiators apart from newer ones in an attic conversion are 3/4 inch connections.
    If I don't find anything I'll have to see if a plumber can rig up a connector. There is one rad with a trv with a jury rigged connector and it looks messy but its 11 radiators so too expensive to replace them.


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    #2
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,213 Mod ✭✭✭✭Wearb


    captainshamroc wrote: »
    I have a 80's house with one heating zone that I plan on adding some wireless trv's to give me more heating control.
    The problem is the valves are 1/2 inch to the heating pipe and 3/4 inch to the radiator. I've tried a few plumbing shops that have worked for me in the past but nothing. They just have the standard trv valves with two 1/2 inch connections. I've still one shop that are fairly knowledgeable to try but figured if anyone here might know of any place to stock something that might work. All the radiators apart from newer ones in an attic conversion are 3/4 inch connections.
    If I don't find anything I'll have to see if a plumber can rig up a connector. There is one rad with a trv with a jury rigged connector and it looks messy but its 11 radiators so too expensive to replace them.
    Have you considered changing the radiator tails?

    Please follow site and charter rules. "Resistance is futile"



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    #3
    captainshamroc
    Registered Users Posts: 159 ✭✭captainshamroc


    Cheers for the response. I did. The only ones I found so far would add about an inch to the width on each side so wouldn't fit.


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    #4
    CaptainCoPilot
    Registered Users Posts: 59 ✭✭CaptainCoPilot


    Wearb is referring to the short pipe that goes from your radiator valve to the central heating flow and return under the floor. Your floors are likely concrete though so may be more expensive than replacing the radiators when labour and interfering with the flooring is considered.


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    #5
    captainshamroc
    Registered Users Posts: 159 ✭✭captainshamroc


    Ah ok. Thanks.
    Yes, would definitely be more expensive.


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    #6
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,213 Mod ✭✭✭✭Wearb


    https://www.wonkeedonkeetools.co.uk/radiator-keys/how-to-fit-and-remove-valve-tails/
    Radiator tails.

    Please follow site and charter rules. "Resistance is futile"



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    #7
    captainshamroc
    Registered Users Posts: 159 ✭✭captainshamroc


    Wearb wrote: »
    https://www.wonkeedonkeetools.co.uk/radiator-keys/how-to-fit-and-remove-valve-tails/
    Radiator tails.

    Cheers. I'll have another look. The ones I looked at were on the valve end not the radiator end. Not sure if they will fit but worth a look. Trip to plumbing merchants in the morning.


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