S420 S44 Variable Speed Metering Pump - 100 PSI 60 GPD 120 Volts - 3/8 Inch Versilon repair-type_Plaster The Poolguard Door Alarm uses

The Poolguard Door Alarm uses one 9–volt battery (not included) with a battery life of approximately 1 year

This is a D

It does this by using the 2000 Series Comparator

Suction lift in this case applies to all applications where the circulating pump suction is either at or above the level of the pool water surface

This Notice Pool Is For Private Use aluminum sign measures 12 x 10 inches

S420 S44 Variable Speed Metering Pump - 100 PSI 60 GPD 120 Volts - 3/8 Inch Versilon repair-type_Plaster The Poolguard Door Alarm usesThis Stenner S420 Model S44 is a Variable Speed Peristaltic Metering Pump with 25 PSI, 60 GPD, 120 Volts and 3 8 inch Versilon 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 response