S420 S34 Variable Speed Metering Pump - 25 PSI 40 GPD 120 Volts - 1/4 Inch filter-length_22 inches This nut is used on

This nut is used on the molded face rim with studs

The Mechanical Timer provides automatic control for pumps

Fully charged batteries will run the board about 8 hours

This Please Keep This Area Clean aluminum sign measures 12 x 18 inches

It is meant to be used in conjunction with the Zoll CPR-D Padz

S420 S34 Variable Speed Metering Pump - 25 PSI 40 GPD 120 Volts - 1/4 Inch filter-length_22 inches This nut is used onThis Stenner S420 Model S34 is a Variable Speed Peristaltic Metering Pump with 25 PSI, 40 GPD, 120 Volts and 1 4 inch Santoprene tubing. The pump features totally enclosed NEMA 4X housing, brushless DC motor, three dedicated output relays, remote start or stop,and LED pump status indicators. The S420 Series Variable Speed Metering Pumps inject solution in direct proportion to an incoming 4 20ma analog signal. The operator would scale the pump's