https://www.ecrunch.com/smc-ise40a-n01-t-pressure-switch-with-ir1020-n01b-precision-regulator-long-1070.html
SMC ISE40A-N01-T PRESSURE SWITCH WITH IR1020-N01B PRECISION REGULATOR - LONG
SMC ISE40A-N01-T PRESSURE SWITCH WITH IR1020-N01B PRECISION REGULATOR - LONG
pressure switch