3/4" FNPT SPST NO Liquid Flow Switch 120-240 VAC/VDC 5 gpm, Gems Sensors, Mfr#: FS-500, 170235$122.99+
3/4" FNPT SPST NO Liquid Flow Switch 120-240 VAC/VDC 2 gpm, Gems Sensors, Mfr#: FS-500, 175117$115.99+