The EP Manifold Connection Piece connects the manifold to the supply and return piping. Connection fitting size is an R32 Union.
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Comments about EP Heating Manifold Connection Piece w/ R32 Union & Thermometer:
It turned out I had to return this, since only one end is an R32 union. The other end is proprietary threads to fit into an EPS manifold. This will not connect to Wirsbo brass manifolds which terminate in R32 male threads.
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Q:I understand one side is R32 what is the other side? I just want to make sure I do not need a special adapter.
A:Both sides of the valve are R32. You would need to use R32 adapters.