Standard Safety Valve Insitu

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This is the genuine Mamod Safety Valve that has been sold by Mamod Ltd for decades.

The dimensions are : Thread diameter 6.25mm (1/4 inch)/ overall length 38.30mm (1.5 inches) with a thread pitch of 26tpi.

It is used by all of the models currently being manufactured and a lot that are not now in production. It is always wise to check these dimensions before ordering as older models were made with either a shorter safety valve, more obviously, a fatter one with a 3/8 inch thread diameter.

It will be clear which one you need.  The others are on this site also.  Email us if you need help on shop@modelenthusiasts.com.