Best 1 HP Submersible Pumps for Deep Wells and Sump Tasks
Choosing the right 1 HP submersible pump involves matching flow rate (GPM), head (vertical lift), and the environment where the pump will operate. The following selected models are 1 HP, designed for deep wells or demanding water transfer tasks, with varied GPM figures, heads, and configurations. This guide highlights practical differences to help you pick a reliable option for American homes and small farms.
| Product | Brand | Key Specs |
|---|---|---|
| Red Lion RL22G10-3W2V | Red Lion | 22 GPM, 80 ft head, 260 ft shut-off, 230V |
| WASSERMANN 4″ Deep Well Submersible | WASSERMANN | 33 GPM, 190 ft head, 230V |
| H Hallmark MA0414X-7 | H Hallmark Industries | 33 GPM, 207 ft head, 110V |
| Aquastrong Sump Pump 1 HP | AQUASTRONG | 4500 GPH (75 GPM), 30 ft lift, 10 ft cord |
| Red Lion RL12G10-2W2V | Red Lion | 12 GPM, 160 ft head, 434 ft shut-off, 230V |
Red Lion RL22G10-3W2V Deep Well Pump

The Red Lion RL22G10-3W2V is a 4-inch submersible deep-well pump designed for larger wells. It features a 3-wire setup with a built-in control box, reducing external wiring needs. Its 22 GPM capacity at 30 PSI meets mid-range domestic pumping demands, and it can operate down to 80 feet for typical shallow-to-mid-depth wells. A built-in check valve helps reduce cycling, while a suction screen protects impellers from debris. The unit is NSF/ANSI 372 certified for potable water and is suitable for 230-volt systems with a robust steel housing for longevity.
WASSERMANN 4″ Deep Well Submersible Pump

This 1 HP, 230V submersible pump from WASSERMANN is built for 4-inch wells and larger. It delivers up to 33 GPM and a maximum head of 190 feet, making it suitable for deeper wells or higher head requirements. The 2-wire configuration with a built-in control box eliminates the need for an external control panel. Its stainless steel construction and SS304 pump head offer corrosion resistance and extended service life, ideal for potable water applications or irrigation where durability matters.
H Hallmark MA0414X-7 Deep Well Submersible Pump

The Hallmark MA0414X-7 is a 1 HP submersible pump designed for 4-inch wells or larger. It offers 33 GPM with a 207-foot head, built to deliver reliable water supply for homes or light agricultural needs. The 2-wire configuration includes a built-in control box, simplifying installation. The stainless steel body contributes to long life in challenging well environments and protects against corrosion over time. This unit is positioned for robust home use with industrial-grade durability.
Aquastrong Sump Pump 1 HP

The Aquastrong sump pump is a compact, portable option for water removal tasks in basements, pools, ponds, or window wells. It delivers up to 4500 GPH (75 GPM) at 5 feet of lift, with a vertical reach up to 30 feet. The bottom suction design helps capture debris near the surface, and the 1-1/4″ NPT discharge supports flexible plumbing connections. A 10-foot power cord contributes to easy placement and convenient operation for temporary or emergency pumping needs.
Red Lion RL12G10-2W2V Deep Well Pump

The Red Lion RL12G10-2W2V is a 4-inch, 1 HP submersible pump with a built-in check valve and suction screen to guard against debris. It provides 12 GPM at 30 PSI and a deep shut-off of 434 feet, suitable for deep wells or high-head installations. This 2-wire pump includes a built-in control box for straightforward setup and reliable operation in potable water and other applications that require consistent, shallow-to-medium flow in deep wells.
Buying Guide: Key Purchase Considerations
- Flow rate versus head: Match GPM to the required water delivery and ensure the head (maximum vertical height) can reach the farthest point from the well or water source.
- Well size and compatibility: Ensure the pump’s diameter and intake are suitable for your well casing (commonly 4 inches for these models).
- Power and wiring: Most 1 HP wells run on 110V or 230V. Verify your electrical setup and whether a built-in control box is preferable for fewer external components.
- Materials and durability: Stainless steel bodies resist corrosion, beneficial for potable water and harsh environments; check for SS304 components where possible.
- Certification and safety: NSF/ANSI certifications indicate suitability for potable water. Look for thermal protection and automatic cutoffs for safety and longevity.
- Debris protection and filtration: Built-in suction screens and debris guards extend impeller life and reduce clogging risk.
- Installation and maintenance: Consider built-in check valves to minimize cycling, ease of maintenance, and whether the unit requires external wiring (two-wire) or a full control box (three-wire).
- Application scope: Choose based on whether you need deep-well water supply, sump drainage, irrigation, or combined home-use scenarios.
- Warranty and service: Check manufacturer coverage and local availability of service centers for long-term reliability.