Sewage pumps with a cast iron motor housing and volute, which shed motor heat and last longer.
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Best Cast Iron Sewage Ejector Pumps: Up to 1/2 HP
- Liberty Pumps LE51A#1 of 14Full review
For a basement bathroom or laundry with a lift of 15 to 20 ft that a 4/10 HP pump would struggle with.
Amazon $442.99$442.99118 gpm54 gpm1/2 HP - Little Giant 10SC-CIM (Manual)#2 of 14Full review
For replacing the pump in a system that already has its own float switch or control panel.
Amazon $429.97$429.97100 gpm44 gpm1/2 HP - Little Giant 10SC-CIA-RF#3 of 14Full review
For a basement bathroom with a lift up to about 20 ft in a standard 18 in basin.
Amazon $487.62$487.62100 gpm44 gpm1/2 HP - Little Giant 10SC-CIA-SFS#4 of 14Full review
For a tall basement lift in a tight basin where a tethered float would hang up.
Amazon $523.99$523.99100 gpm44 gpm1/2 HP - Liberty Pumps LE41A#5 of 14Full review
For a typical basement bathroom with a lift of 15 ft or less, from a respected US maker. It moves more water than most 4/10 HP rivals.
Amazon $406$40698 gpm8 gpm4/10 HP - Zoeller M267 Waste-Mate#6 of 14Full review
For a basement bathroom with a lift under 15 ft where a compact, all cast iron pump with a built in float suits the basin.
Amazon $430.20$430.2085 gpm5 gpm1/2 HP - Red Lion RL50WA#7 of 14Full review
For a basement bathroom with a lift under 15 ft where a long cord and a three year warranty matter.
Amazon $492.24$492.2480 gpm20 gpm1/2 HP - Little Giant 9SC-CIA-RF#8 of 14Full review
For a short basement lift on a shared circuit, where its low current draw matters more than reach.
Amazon $414.54$414.5480 gpm-4/10 HP - Superior Pump 93501#9 of 14Full review
For a budget replacement in a single basement bathroom with a modest lift, from a 2 in basin with room for a tethered float.
Amazon $199.99$199.9960 gpm25 gpm1/2 HP - Superior Pump 93511 (Vertical Float)#10 of 14Full review
For a budget sewage pump in a tight basin where a tethered float would not swing freely.
Amazon $251.03$251.0360 gpm25 gpm1/2 HP - Zoeller N264 Waste-Mate (Manual)#11 of 14Full review
For replacing a Zoeller 264 in a system that already has its own float switch or control panel. Anyone without one should buy the automatic M264.
Amazon $364.34$364.3460 gpm-4/10 HP - Wayne RPP50#12 of 14Full review
For the cheapest cast iron replacement where the lift to the sewer is short. A longer lift calls for a stronger 1/2 HP pump.
Amazon $192.52$192.5254 gpm-1/2 HP - Zoeller M264 Waste-Mate#13 of 14Full review
For a basement bathroom with a short lift to the sewer line in a compact basin. Buyers lifting 15 ft or more should look at a 1/2 HP pump.
Amazon $399.95$399.9560 gpm-4/10 HP - Red Lion RL-WC50TA#14 of 14Full review
For a short basement lift where a cast iron pump under $300 from a known brand is the goal.
Amazon $294.97$294.9762 gpm8 gpm1/2 HP
Best Cast Iron Sewage Ejector Pumps: 3/4 HP and up
- Liberty Pumps LE102A2 1 HP 230 V#1 of 4Full review
For a basement apartment or a long horizontal run to the sewer that needs real head. Most single bathrooms are fine with a 1/2 HP pump.
Amazon $948$948164 gpm128 gpm1 HP - Flotec E75STVT#2 of 4Full review
For a busy basement bathroom with a lift under 15 ft, where a five year warranty is worth the price.
Amazon $547.99$547.99125 gpm40 gpm3/4 HP - Red Lion RL75WA#3 of 4Full review
For a tall lift or long run to the sewer on 115 V, at a lower price than most 3/4 HP rivals.
Amazon $514.25$514.25110 gpm70 gpm3/4 HP - Little Giant 15SC-CIA-RF#4 of 4Full review
For a basement apartment or a lift over 20 ft where a 1/2 HP pump runs out of head, without wiring a 230 V circuit.
Amazon $555.97$555.97110 gpm70 gpm3/4 HP