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the Model 137 is designed with a cast iron vortex impeller allowing solids to pass freely through the pump
McDonald DuraMAC 5000PVSPBU Sump Pump Battery Backup System is designed to provide temporary back-up during power failures or malfunctions with your primary electric sump pump
High-head capabilities make them the ideal choice for STEP effluent sewer systems
Hydromatic S3S200M3-4 Submersible Sewage pumps Description
1 x WTTLF530C - Watts Relief Valve 50-175psi 3/4"
Littelfuse Model ALT-115-S Alternating Duplex Pump Relay 95-125V 8-pin Plug-in Manufacturers__Orenco Systems Inc.__Tank Accessories__Riser Lids the Model 137 is designedLittelfuse ALT 115 S Alternating Duplex Pump Relay Product Description Model ALT 115 S alternating relays are used to alternate between two loads. The ALT is commonly used in duplex pumping applications to balance the runtime of both pumps. The Model ALT S is used in single high level float applications. When the float switch opens, the alternating relay changes state forcing the other pump to run the next time the float closes Littelfuse ALT 115 S