EL150EX Liquid Level Swichgage (15700121) ELECTRIC GAUGES the VS2EXR-15 gives a Tattletale

the VS2EXR-15 gives a Tattletale indication on the reset button

The low and high trip point indicators "arrest" the switch operator pointer

The 20BTG-250-25-1/2 B-Series Temperature Murphygage is a 2" dial

magnetic pickup or ignition

The 20P7-30 Pressure Swichgage was specifically designed to protect engines and equipment in oil field

EL150EX Liquid Level Swichgage (15700121) ELECTRIC GAUGES the VS2EXR-15 gives a TattletaleEL150EX: Liquid Level Swichgage and Low Limit Switch; Explosion Proof (15700121) The EL150EX Liquid Level Swichgage instrument is an explosion proof combination liquid level gauge and low limit switch. The instrument includes: (1) a chamber with pivotal float, (2) an indicating dial with pointer, and (3) a low level contact. When properly installed and maintained, the float operates the pointer which, in turn, both indicates level during normal