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Twin pump soft wash system! We build a system with two 7 gpm Delavan pumps!
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New chemical transfer pump for pressure washing - Delavan 7871 diaphragm pump.
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Flow Testing or Gas Powered Soft Wash System with a General Pump Red Gun.
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This is how I wired my Everflo 5.5gpm pump with 10 guage quick connects for softwashing
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Soft Starter For Water Pump | How To Reduce Starting Tourqe Of Water Pump | Mr Engineer
