Boiler Safety Valve 19mm Thread

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M19 x 1.5. The outside diameter of the male threads on this valve measure 19 mm where the standard 3/8" valve measures 16 mm, so it's larger than 3/8" but smaller than 1/2".

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Manufacturer Nuova General Instruments
Size Short (10 cm)

5.00 Average

1 Reviews


It's a screw in replacement for the leaker that came with this old Carameli. Hopefully, I will never know how well it actually works. If it fails to work as it is supposed to, I'll write a new review, should I survive it. So far, though, so good!