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Rob Roy blowdown valve?

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Terry Chapman	25/07/2023 16:39:32
97 forum posts 14 photos	Hi, Just bought a rob roy and Ive noticed a plug in the backhead.Could this be used for a blowdown vale,if yes any suggestions please? Many thanks, Terry
noel shelley	25/07/2023 17:43:31
2308 forum posts 33 photos	It's in the right place, and once you can identify the thread yes ! 5/16" x 32 or 40 TPI ME would be my thought ? Noel.
Bazyle	25/07/2023 18:00:57
6956 forum posts 229 photos	Yes. It has been set up as a washout plug but is the position for the blowdown valve as mentioned in the book, chapter 9. Took me about two minutes to find including going to another room to get the book.

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