Sta-Rite Dominator 20DOM05121 20 gpm 115V 1/2 hp Effluent Pump

The S.T.E.P. Plus D-Series 4 20 gpm submersible pump series models dominate with superior draw-down capability. Sold & proven in aerobic & filtered effluent service applications. The plus sign indicates that it has an extra stage that gives more head pressure and for further runs of sprinkler pipe. This is also a favorite cistern pump and water pressure booster pumps.

Key Features

• 1/ 2 HP

•  115 Volt , single-phase, 2-wire

• 1 1/4" discharge

• Superior draw-down capability to 4-1/2” (114mm) vs. 13-1/2” (343mm) on a standard NEMA 4.

• 25% Reduced AMP-draw vs. a standard NEMA 4.

• Cooler and quieter operation – eliminates expensive flow inducer sleeves

• UL, CSA Listed

• Stainless steel and composite construction

• Proven SignaSeal staging

• Exclusive STA-RITE® dry-run capability

• Enclosed and self-lubricated Nylatron® shaft-bearing resists wear from abrasives

• Heavy 7/16” (12mm) positive drive 300 Series stainless steel hexagonal shaft

• Stainless steel intake screen – allows for .080” solids