We have an extensive range of sewage pumps including cutter, vortex, grinder, treated water and air pump options for your sewage system.  Visit our showroom at 471 Tremaine Avenue, Palmerston North or contact our team on 06 354 3651 or sales@soco.co.nz

We stock a wide range of blackwater pumps suitable for septic tanks, filtered septic systems and domestic wastewater treatment plants across rural homes, lifestyle blocks, and off-grid properties throughout New Zealand. Blackwater, often referred to as raw sewage or sewage, includes waste from toilets and kitchen sinks, while greywater comes from showers, bathroom basins and laundry. Because household wastewater commonly flows through the same drainage system, our pumps are designed to handle both blackwater and greywater, ensuring efficient and reliable performance in your wastewater management systems.

This submersible pump features a built in grinder that efficiently shreds long fibres, textiles and soft solids before pumping. Its ability to handle soft waste such as toilet paper and sanitary products makes it ideal for sewage systems. The durable cast iron body and horizontal flanged outlet ensure reliable performance in both lifestyle and rural settings. 

These Davies Pumps UV series are submersible pumps ideal for emptying sumps, clearing underpasses, sewage and effluent treated water requirements. These pumps can pump liquids with particles up to 37mm and have a vertical side discharge. Our off the shelf range includes UV30, UV51, UV75, UV100 and UV200.

These Evak EWSS Vortex (VX) series are stainless steel submersible pumps. Ideal for blackwater, effluent and treated water applications. Can pump suspended solids up to 50mm. These pumps have a side discharge. Includes a float and 10m power cable. Off the shelf range includes 40EWSS and 50EWSS.

The Evak Hippo 50 and 75 are cast iron submersible vortex pumps. Designed specifically for effluent sewage applications. Handles solids up to 50mm without clogging. Vortex impeller for reliable, blockage free running. 50mm treaded outlet side discharge. Includes float and 10m power cable. 

Lowara Domo VX7, V10 and VX15 are stainless steel submersible vortex pumps. These pumps are suitable for effluent wastewater treatment tanks and for sumps.  Suspended solids up to 30mm can be passed.  Maximum submergence depth 5m.

This Shift CE effluent sewage cutter pump series includes 0.4, 0.75 and 1.5 kW options. They are suitable for raw sewage transferring and grey/black water transferring. It is ideal for lifting raw effluent into town/city sewerage network. The pump comes complete with a single float, discharge connector and a 10m power cable.

Cast iron Impeller grinder submersible pump with a triangular rotary cutter assembly is in the base to cut solid particles and fibres.  Maximum immersion depth 10m. Made in Italy.

A vortex impeller and large free passage for pumping wastewater with soft soil.  Suited for effluent sewage, wastewater with soft solids, lifting stations in civil plants.  Also suitable for pumping from tanks and wells. Maximum immersion depth 10m. Made in Italy.

We offer a reliable range of treated water pumps designed for use with wastewater treatment systems, septic tank effluent and greywater recycling setups. These pumps are built to handle treated effluent, transporting it safely for irrigation, land application or further filtration. A smart solution for Kiwi households living off the grid, managing water on lifestyle blocks, or maintaining rural wastewater systems, our pumps deliver consistent performance and long term durability for your water management needs.

A clean water multi impeller submersible pump suitable for use in rain water tanks, watering networks and other applications requiring high pressure.  Ideal for households with 1-1.5 bathrooms and light commercial applications.

Caprari pumps offer a solution for treated effluent water. Featuring the same compact 4” design as the “ISO” model, these pumps offer a stainless steel casing and shaft for long lasting corrosion resistance plus a significant cost advantage over ISO alternatives. Caprari pumps deliver continuous operation and exceptional value without compromising on quality. 

The Davey D42AB and D53AB twin impeller submersible pumps are ideally suited for handling treated water plus also emptying sumps, draining excess grey or clean water or transfering wastewater. Each pump features a float switch for automatic operation and is supplied with a 10m power cable for easy installation.

The Orange Pumps SP420 is a high pressure submersible pump ideal for treated water applications in domestic and light commercial settings. Suitable for treated water, general water transfer,irrigation. It features a twin impeller for strong pressure, built in motor protection, a stainless steel shaft and a 10m electrical cable for easy setup. 

A 5" multistage  submersible pump series.  Utilised for lifting clean water from tanks, wells and boreholes or where high pressure is required.  Stainless steel shaft and outer layer.

We stock aeration pumps also know as septic air pumps for treament plants sewage systems. 

These high efficiency ultra quiet air pumps provide a steady airflow with a low energy consumption. Designed for aerating sewage treatment plants and can be used for fish tanks or clean air flow requirements. They are single phase and have a magnetic diaphragm with grease free components.