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Adapts older Myson thermostatic radiator valves for newer type heads.
The male thread on the top of the adaptor is m30 and the female thread on the bottom is m28.
Myson TRVs have used m30 threads for a long time, though in the distant past they had m28 threads.
This is what the older head with the 28mm thread looked like.
Product Code: MZF
MPN Code: 2TRVADAP
Brand : Myson