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.
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
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.
Please Note: When replacing these Water Pumps, the pump float must also be replaced. We will not warranty these water pumps if the float is not purchased. Please follow the below link to order the pump and float together.