Fits Danfoss RA, RAV and RAVL valves. Easy installation of electronic radiator thermostats on Danfoss valves with the thread size M30 x 1.5 mm. Fits 99% of all known Danfoss Models ! Set consists of 3 adapter rings: 25.5 mm with 4 notches, 30.5 mm, 34.0 mm with 4 notches.
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