AIr Compressor Automatic & Manual Override Switch

Air Pressure Fixed Differential 40 PSI, Factory On/Off Setting 135-175 PSI, Port 1/4 Inch NPSF Male
Standard, Type F, 2 Poles, w/ Switch arm to change from Automatic to Manuel "ON" Override Pressure Range100-200 Wt. 15.9 oz.

Air Pressure Switch, Standard, Set Differential Pressure 40 PSI, Factory On/Off Setting 135-175 PSI, Port 1/4 Inch NPSF Female, Pressure Range100-120 These switches control electrically-driven air compressors or pumps. Diaphragm actuated NEMA 1 enclosure Wt. 14.4 oz.

Air Pressure Switch, Standard, Set Differential Pressure 30 PSI, Factory On/Off Setting 70-150 PSI, Port 1/4 Inch NPSF Female, Pressure Range120-150 These switches control electrically-driven air compressors or pumps. Diaphragm actuated NEMA 1 enclosure Wt. 13.7 oz.

Air Pressure Switch, Standard, Set Differential Pressure 30 PSI, Factory On/Off Setting 95-125 PSI, Port 1/4 Inch NPSF Pressure Range125-220 These switches control electrically-driven air compressors or pumps. Diaphragm actuated NEMA 1 enclosure Wt. 4.1 oz

Water Pump Switch
Suitable for all types of pumps.

Type FSG is the standard water pump switch, suitable for all types of pumps: jets, submersible, reciprocating, etc. Type FYG is designed to meet higher horsepower and pressure requirements.
Type FRG is reverse acting: contacts open on falling pressure.Adjustable Differential Pressure 6-20 PSI, Factory On/Off Setting 70-150 PSI, Port 1/4 Inch NPSF Pressure Range 9-30 These switches control electrically-driven air compressors or pumps. Diaphragm actuated NEMA 1 enclosure Designed for the control of electrically driven water pumps.Wt.12.7 oz.

Air Pressure Switch, Standard, Set Differential Pressure 40 PSI, Factory On/Off Setting 110-150 PSI, Port 1/4 Inch NPSF Female, Pressure Range 40-200 These switches control electrically-driven air compressors or pumps. Diaphragm actuated NEMA 1 enclosure Wt. 1.5 lbs

Vacuum Pump Switch

2 Pole Switch VAC, GMG2 Type, NEMA Type 1 Enclosure, Adjustable Cut Out Range 10 to 35 Inches Mercury, Adjustable Differential 4to 8Inches Mercury, Cut In Range 5-1/2 to 30-1/2 Inches Mercury, 2 Poles, Pressure Connection 1/4-18 NPSF, Vacuum Settings 16.5 to 25 Inches Mercury Wt. 3.0 lbs

When the water level goes up the Square-D sumptrol switch turns the pump on.
when the water recedes the Square-D sumptrol switch lever is pulled down turning the pump off.
By simply attaching a rigid arm to switch lever with a heavy / buoyant float device on the lower end.
SumpTrol class 9045
Volts 110 AC 1/2HP DC 1/4HP
Volts 220 AC 1.0HP DC 1/4HP
Volts 32 DC 1/4HP

SURPLUS