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Continue to ChatASCO - JB27A218A - 1/8"NPT External Process Connection, Normally Open, Screw Terminals, Series J - Tri-Point Miniature Pressure Switches https://www.valves-direct.com/product/asco-jb27a218a-1-8npt-external-process-connection-normally-open-screw-terminals-series-j-tri-point-miniature-pressure-switches/