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Older Oventrop TRV

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Dan M_6
Dan M_6 Member Posts: 9
in THE MAIN WALL

I have a building that is mostly Oventrop TRVs from the late 80s. The heads are all breaking off and I can't find any support for them. They are replacing entire valves but time and cost is an issue. What thread were the original? I know the new ones are M30 1.5. They can't find adapters anymore and now can't even get new Oventrop products. I called us headquarters and there is no answer or messaging or anything. So of course they come to me to sort this out. The building is two pipe steam. What is available now and what can I substitute with?

Thanks Dan

Comments

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 18,240

    Macon (Tunstall sells them) and Danfoss seem to be the more popular ones.

  • hot_rod
    hot_rod Member Posts: 25,349

    they closed the office in the US

    Maybe shop the Amazon UK site for Oventrop replacement parts?

    Danfoss and Honeywell are still available

    IMG_0185.jpeg
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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