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Butterfly pressurestat thread

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  • Butterfly pressurestat thread

    Does anyone know whether the thread on the ma-ter pressurestat in the La Scala Butterfly is 1/4 in or 1/8 in?

    Cheers,

    Duncan

  • #2
    Pretty sure it's a 1/4", replacement can be found here: 1/4 inch bsp ma-ter pressurestat - Pressurestats | Coffee Parts

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    • #3
      Thanks, saw they had both and didn't want to order the wrong one.

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      • #4
        Yea, the 1/8" pressurestat is pretty rare, most machines use a 1/4".

        If it turns out to be wrong, all you need is a cheap brass adapter for a dollar or so from Bunnings.

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        • #5
          It will almost without a doubt me 1/4", which has a diameter of about 12mm for a male thread. However, if it's wrong, send it back and get the right one. Often there are clearance issues when using thread adaptors and a pressurestat has live terminals, plus small size BSP fittings are pretty hard to find. The Tubefit range that Masters usually stock is reasonable but pricey, bunnings generally have nothing below 3/8"

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          • #6
            At home now and remembered I had a broken one in the shed; you are correct, 13mm approx across the widest part of the threads. Thank you.

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