Square D 20/40 PSI Electric Water Pump Pressure Switch w/Low-Pressure Cut-Off

Pressure Switch With Low-Pressure Cut-Off For Electric Water Pump, 20/40 PSI
20/40 PSI Standard Pressure Switch With Low Pressure Cutoff, 1/4" - 18 NPSF Internal Thread Opening, Low Pressure Setting At 20 PSI, For Electrically Driven Water Pumps.