Submersible Well Pump Wiring Diagrams | LoveToKnow A submersible pump can be either two or three wire, regardless of the voltage coming from the panel, so start at your pump and follow the conduit back. If the conduit runs into a control box before continuing to the water pressure switch, chances are you have a three wire pump. If it runs straight to the pressure switch, it is a two wire.Author: Chris TiceShake Look Metal Shingles · Crawl Space Requirements · Downloaded Using Adobe Well Pumps & Systems - Water Pumps - The Home Depot The AquaPro 1/2 HP cast-iron convertible jet pump The AquaPro 1/2 HP cast-iron convertible jet pump with 6 Gal. tank has superior performance at depths to water to 70 ft. or less. Self-priming after pump housing is initially filled. Built in pressure switch 30/50 psi for automatic operation.