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Thread size

Hello All, could someone please advise me of the thread size, pitch etc., for the secondary valve fitment into the tender boiler A3/A4

Thanks.

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whibs.aj
whibs.aj
2018년 3월 13일

Hi Nick, just for info I can now confirm the size and thread pitch of the secondary safety valve hole is as follows = 6mm x 0.5 pitch.

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