Description
The JS Pumps GS-1500 230v Automatic (code 020-707A) combines the highest head in the single-phase GS grinder range with a built-in MAC 3 float switch. It lifts sewage to 22 metres of head and pumps up to 190 litres per minute through a 1¼” outlet, using a 1.5 kW motor on 230v mains that draws 12 A. A cutter running against a high-chrome grinder ring macerates the soft solids first.
Use it where an unattended pump has to push waste a long way or a long way up, such as a property set well below the road. For shorter or lower runs, the GS-1200 230v Automatic reaches 19 metres from a smaller motor. If you plan to control the pump from a panel, the GS-1500 230v Manual is the version to choose. Allow space in the chamber for the float to move, and have the supply checked, as the motor draws 12 A.
The pump body, impeller, motor top cover and lower bearing and seal housing are cast iron, and the motor case is stainless steel. Twin mechanical seals (carbon ceramic and silicon carbide) run in a lubricated oil chamber. The side vertical outlet is removable, so the pump can stand free with the hose tail supplied or sit on a guide rail coupling foot for easy lifting out. It comes with 10 metres of power cable.
Features
- MAC 3 float switch for automatic operation
- Up to 22 m head and 190 l/min maximum flow
- 1.5 kW motor, 230v single phase, 12 A
- High-chrome cutter and grinder ring, rated by JS Pumps at up to 28,000 cuts per minute
- 1¼” (32 mm) side vertical outlet with hose tail
- Twin mechanical seals in an oil chamber
- Free standing or guide rail mounted
- 10 metres of power cable
Applications
- Properties below road level with a steep run to the sewer
- Remote buildings with a long small-bore rising main
- Unattended sewage sumps on mains power
- Replacing a GS-1500 automatic in an existing chamber
Designed for sewage and waste water containing soft solids. Not suitable for sand, gravel, stones or other hard debris, which wear or jam the cutter, or for oils, solvents, chemicals or flammable liquids.
The JS GS grinder range
| Model | Voltage | Operation | Outlet | Max Flow (l/min) | Max Head (m) | Motor (kW) | Current (A) | Code |
|---|---|---|---|---|---|---|---|---|
| GS-1200 230v Manual | 230v | Manual | 1¼” | 190 | 19 | 1.2 | 9.9 | 020-702 |
| GS-1200 230v Automatic | 230v | Automatic | 1¼” | 190 | 19 | 1.2 | 9.9 | 020-702A |
| GS-1200 110v Manual | 110v | Manual | 1¼” | 190 | 19 | 1.2 | 20 | 020-704 |
| GS-1200 110v Automatic | 110v | Automatic | 1¼” | 190 | 19 | 1.2 | 20 | 020-704A |
| GS-1500 230v Manual | 230v | Manual | 1¼” | 190 | 22 | 1.5 | 12 | 020-707 |
| GS-1500 230v Automatic | 230v | Automatic | 1¼” | 190 | 22 | 1.5 | 12 | 020-707A |
Flow and head are JS Pumps’ published maximums. See the JS GS grinder sewage pump range page for help choosing between models, or the JS GST range for three-phase 400v versions.
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