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JS GST Grinder Sewage Submersible Pumps

The JS GST Grinder Sewage Submersible Pumps are versatile and efficient, ideal for domestic and industrial applications. With a cast iron pump body, tungsten carbide cutters, and a maximum solids capacity of 3mm, these pumps can handle heavy-duty sewage tasks. Easy to install and complete with 10 metres of power cable.

£627.47£1,118.75 +VAT

in stock
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The JS GST Grinder Sewage Submersible Pumps are a versatile and efficient solution for domestic and industrial applications. Whether you need to handle high heads or long distances, these pumps are designed to handle the toughest jobs.

These pumps can be either free-standing or guide rail mounted, allowing for easy installation in any setting. The side vertical outlet is removable for coupling foot, providing flexibility in your setup. With twin mechanical seals, including carbon ceramic and silicon carbide, in a lubricated chamber, these pumps are built to last.

Another standout feature of these pumps is their tungsten carbide cutters and grinding rings. These enable up to 28,000 cuts per minute, ensuring efficient and effective grinding of solids. With a maximum solids size of 3mm, these pumps are perfect for handling heavy-duty sewage applications. The pump’s body and impeller are cast iron, providing further durability and reliability.

These pumps are ideal for situations where standard submersibles are not suitable or large bore discharge pipes are unavailable or too costly to install. They come with hose tails for easy connection and 10 metres of power cable for convenient setup.

If you’re in need of a heavy-duty sewage pump that can handle the toughest jobs, look no further than the JS GST Grinder Sewage Submersible Pumps. With their durable construction and efficient grinding capabilities, these pumps are a reliable choice for domestic and industrial applications.


  • Cast Iron Pump Body
  • Cast Iron Impeller
  • Tungsten Carbide Cutters
  • Max Solids 3mm


  • Heavy Duty
  • Sewage

Models in this range

Pasted 23


LM = Maximum Flow (Litres per minute)

HM = Maximum Head (Metres)

GST-12400v11/4″190/191.22.7460 X 170 X 31030020-712
GST-15400v1 1/4″190/221.53.2490 X 180 X 31533.8020-715
GST-22400v2″320/232.24.6550 X 235 X 37048.8020-720
GST-37400v2″330/363.77.9560 X 235 X 37053020-737


Additional information


GST-12 1 ⅟₄" 400v, GST-15 1 ⅟₄" 400v, GST-22 2" 400v, GST-37 2" 400v




Flow Rate

151 – 200 l/min, 301 – 350 l/min

Max Head

11- 20m, 21 – 30m, 31 – 40m

Pump Material

Cast Iron

Liquid Type



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Delivery Information

We offer free next working day delivery to any UK address on all orders over the value of £200+VAT if ordered before 3pm on weekdays excluding bank holidays. Delivery on orders below this amount is charged at £15+VAT.
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