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.
12 months from the date of purchase or 18 months from the date of manufacture, whichever comes first
STA-RITE dominator 20 GPM 115 V1/2 hr water pump for aerobic septic.