GeoSub 12 VDC Purge Pump Manual
This manual provides instructions for installing, operating, and maintaining the Geotech GeoSub 12 VDC purge pump. It emphasizes that the pump is designed for use with water only and must not be operated dry or with silt/sand. The pump is disposable with no repair parts available. Users must follow cooling and duty cycle protocols to avoid damage. Troubleshooting is limited to checking power and tubing, as the pump is not repairable.
| Dimensions (Single Stage) | 1.75" D x 7" L (4.5 cm D x 18 cm L) |
|---|---|
| Outlet | 1/4" MNPT (accepts 1/2" ID tubing) |
| Power Requirement | Requires an independent 12V DC source |
| Current Draw (Single Stage) | 5.3 amps minimum to 6 amps maximum |
| Voltage Loss (Single Stage) | .4 volt/30 feet (9 m) |
| Operating Temperature | In water up to 140°F (60°C) do not freeze pump |
| Flow Rate (Single Stage) | Up to 3.0 GPM (13 LPM) dependent on depth (or TDH) |
| Maximum Recommended Depth (Single Stage) | 55 feet (17 m) |
| Material of Casing | ABS plastic |
| Material of Pump Impeller | ABS plastic |
| Material of Seal | EPDM |
| Length of Motor Lead (Single Stage) | 2 feet, 30 feet, and 60 feet (6 m, and 9 m, and 18 m) |
| Recommended Duty Cycle | On 15 min., then off for 5 min., then resume operation, etc. |
The pump is designed for use with water only. Using it with other liquids is the user’s responsibility and may void the warranty.
No, operating the pump dry or with silt/sand will destroy it and void the warranty.
No, the pump is disposable and has no repair parts available.
The product is warranted for 30 days from the date of first sale against defects in materials and workmanship.