Johnson Controls A19AAC-38 Utility Thermostat 30067439-890 provided the coil housing is

provided the coil housing is not below the horizontal plane

reducing leak points compared to capillary tubes

or 813 models

This is typically preferred for fixed installations compared to SAE flare fittings which are mechanical

this probe can detect vacuum by connecting to the low-pressure port while leaving the high-pressure port open to ambient

Johnson Controls A19AAC-38 Utility Thermostat 30067439-890 provided the coil housing isJohnson Controls A19AAC 38 Utility Thermostat, 120 208 240 Vac, 50 280 Degree Temperature Range, 2 Degree Differential, SPDT, Bulb Style 1, Screw Driver Range Adjuster A19AAC 38 is identical to A19AAC 38C