1. Introduction and Product Overview
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Glentronics S3050-NS Sump Pump. Please read this manual thoroughly before installation or operation.
The Glentronics S3050-NS is a robust 1/2 horsepower sump pump featuring a durable cast iron and stainless steel construction. It is equipped with an energy-efficient permanent split capacitor (PSC) motor, designed for continuous duty operation. Key features include a stainless steel shaft, dual carbon/ceramic seals for enhanced durability, and a water-cooled design. The pump also incorporates upper and lower ball bearings for smooth and reliable performance. This model comes with a 20-foot pump cord.

Figure 1: Front view of the Glentronics S3050-NS Sump Pump. The pump features a dark blue cast iron base and motor housing, with a stainless steel cylindrical body in the center. A metal handle extends from the top, and a black power cord exits from the top housing. The discharge port is visible on the lower left side.
2. Safety Information
WARNING: Failure to follow these safety instructions could result in electric shock, fire, serious injury, or death.
- Always disconnect power to the pump before attempting any installation, service, or maintenance.
- Do not operate the pump with a damaged cord or plug. If the cord is damaged, it must be replaced by the manufacturer or a qualified service agent.
- Ensure the pump is properly grounded. Do not remove the grounding prong from the plug.
- Do not use the pump in applications involving flammable or explosive liquids.
- Keep hands and feet clear of the pump's intake and discharge openings during operation.
- This pump is designed for clear water only. Do not use for sewage or other abrasive liquids.
- Ensure all electrical connections are made by a qualified electrician and comply with local codes.
3. Setup and Installation
3.1 Sump Pit Requirements
The sump pit should be clean, free of debris, and large enough to accommodate the pump and allow for proper float switch operation. A minimum diameter of 18 inches (45 cm) is recommended for optimal performance.
3.2 Discharge Piping
- Connect a rigid PVC or ABS pipe to the pump's discharge port. The S3050-NS typically uses a 1.5-inch NPT discharge.
- Install a check valve in the discharge line above the pump to prevent water from flowing back into the pit when the pump shuts off.
- Ensure the discharge pipe is routed to an appropriate drainage area, away from the foundation of the building.
- Minimize elbows and long horizontal runs to reduce friction loss and maximize pump efficiency.
3.3 Electrical Connection
- The pump requires a dedicated 120V, 60Hz, grounded electrical outlet.
- Do not use extension cords.
- Ensure the outlet is protected by a Ground Fault Circuit Interrupter (GFCI).
- Plug the pump directly into the GFCI outlet.
3.4 Float Switch Adjustment
Position the float switch to ensure adequate "on" and "off" cycles. The "on" level should be high enough to prevent frequent cycling, and the "off" level should be low enough to adequately drain the pit without allowing the pump to run dry for extended periods.
4. Operating Instructions
The Glentronics S3050-NS Sump Pump is designed for automatic operation via its integrated float switch. Once properly installed and connected to power, the pump will activate when the water level in the sump pit rises to the "on" level of the float switch and will deactivate when the water level drops to the "off" level.
4.1 Initial Start-up
- Ensure all connections are secure and the pump is positioned correctly in the sump pit.
- Plug the pump into the GFCI protected outlet.
- Fill the sump pit with water (e.g., using a bucket) until the float switch activates the pump.
- Observe the pump's operation: ensure water is being discharged, the pump runs smoothly, and it shuts off when the water level drops.
4.2 Normal Operation
The pump will operate as needed to keep the sump pit clear of water. Regular monitoring of the sump pit and pump operation is recommended, especially during heavy rainfall or snowmelt periods.
5. Maintenance
Regular maintenance ensures the longevity and reliable operation of your sump pump. Always disconnect power before performing any maintenance.
- Monthly Check: Test the pump monthly by pouring water into the sump pit until the pump activates. Ensure it turns on, pumps water, and shuts off properly.
- Clean Sump Pit: Periodically remove any debris, dirt, or sediment from the sump pit that could clog the pump's intake or interfere with the float switch.
- Inspect Impeller: If the pump is removed from the pit, inspect the impeller for any obstructions or wear. Clear any debris.
- Check Power Cord: Inspect the power cord for any signs of damage, fraying, or cuts. Do not use the pump if the cord is damaged.
- Float Switch: Ensure the float switch moves freely and is not obstructed by the pit walls or other components.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not run. | No power; tripped GFCI; faulty float switch; motor overload. | Check power supply and GFCI; test float switch; allow motor to cool and reset. |
| Pump runs continuously. | Float switch stuck in "on" position; check valve faulty; continuous water inflow. | Clear float switch obstruction; inspect/replace check valve; address water source. |
| Pump runs but moves little or no water. | Clogged intake/impeller; air lock; discharge pipe obstruction; low water level. | Clear debris from intake/impeller; prime pump; clear discharge pipe; ensure sufficient water. |
| Pump is noisy or vibrates excessively. | Debris in impeller; worn bearings; pump not stable. | Clear impeller; contact service for bearings; ensure pump is stable on a flat surface. |
If troubleshooting steps do not resolve the issue, contact Glentronics customer support or a qualified service technician.
7. Specifications
| Attribute | Detail |
|---|---|
| Model Number | S3050-NS |
| Manufacturer Item Model Number | GID-134653 |
| Brand | Glentronics |
| Construction Material | Cast Iron / Stainless Steel |
| Horsepower | 1/2 hp |
| Motor Type | Energy Efficient Permanent Split Capacitor (PSC) |
| Duty Rating | Continuous Duty |
| Shaft Material | Stainless Steel |
| Seals | Dual Carbon/Ceramic |
| Pump Cord Length | 20 feet |
| Cooling | Water Cooled |
| Bearings | Upper and Lower Ball Bearing |
| Power Source | Corded Electric |
| Product Dimensions | 14.25 x 12.5 x 7 inches |
| Item Weight | 22.75 Pounds |
| ASIN | B00PM8IM5U |
| UPC | 076335159065 |
8. Warranty and Support
For warranty information, technical support, or service inquiries regarding your Glentronics S3050-NS Sump Pump, please contact Glentronics directly. Refer to the product packaging or the manufacturer's official website for the most current contact details and warranty terms.
It is recommended to keep your purchase receipt as proof of purchase for warranty claims.





