Best Submersible Well Pumps for Deep Home Wells

For a typical deep home well, the Franklin Electric 20FV1S4-3W230 and the Red Lion RS12G10-3W2V are the best submersible well pumps to start with: both are one-horsepower, 230-volt, three-wire pumps for four-inch wells, and the Red Lion is rated for a 432-foot shutoff head. Pick the model by your well’s pumping level and your household’s peak demand, not by horsepower alone.

A submersible well pump hangs at the bottom of the well, pushes water up a drop pipe and into a pressure tank. Buying one by horsepower is the most common mistake. Two one-horsepower pumps can behave very differently, because one is built for 5 gallons per minute at great depth and another for 22 gallons per minute at moderate depth. This guide shows how to match flow and head to your well, how to choose between two-wire and three-wire motors, and which pumps fit which situations.

Our top picks

Top pickVEVOR Deep Well Submersible Pump 1 HP

Check price on Amazon

Also greatVEVOR Deep Well Submersible Pump 1 HP

Check price on Amazon

Also greatHallmark Industries MA0419X-12A Deep Well Submersible Pump

Check price on Amazon

Also greatVEVOR Deep Well Submersible Pump

Check price on Amazon

As an Amazon Associate we earn from qualifying purchases at no extra cost to you.

Quick Picks by Well Type

• Best all-around deep-well pick: Franklin Electric 20FV1S4-3W230 (1 HP, about 20 GPM class, 3-wire).
• Best for very deep, low-yield wells: Red Lion RS5G05-3W2V (1/2 HP, 5 GPM, 303 feet shutoff).
• Best for a typical 250 to 350 foot well: Red Lion RS12G10-3W2V (1 HP, 12 GPM, 432 feet shutoff).
• Best for high-demand homes on moderate depth: Red Lion RS22G10-3W2V (1 HP, 22 GPM, 213 feet shutoff).
• Best for very deep wells with strong yield: Red Lion RS12G15-3W2V (1.5 HP, 12 GPM, 519 feet shutoff).
• Best for sandy water (design class): Goulds 10GS10412C (1 HP, 10 GPM, stainless).
• Best simple 2-wire option: Red Lion RL12G05-2W2V (1/2 HP, 12 GPM, 2-wire).
• Best for variable-speed efficiency: Grundfos SQ series (2-wire, soft start, built-in protection; model varies).

How We Chose

This guide is based on research, not first-hand evaluation. We used manufacturer specification pages and published comparisons, and confirmed each named series is sold in 2026. Where sources conflict on flow or head (as they do for some Franklin and Goulds figures), we describe the class and tell you to confirm with the manufacturer’s pump curve. We weighted criteria in this order: head and flow match, motor wiring, build materials, control and protection, warranty, and sand tolerance.

Understand Your Well Before Choosing a Pump

You need five numbers before you shop:

1. Casing diameter. Most residential wells are four inches and take a four-inch pump. A three-inch casing needs a narrower pump.
2. Static water level. Depth to water when the pump is off.
3. Pumping water level. Depth to water when the pump is running, which is lower because of drawdown.
4. Well yield. How many gallons per minute the well can sustain. A pump that outruns the well will pump it dry.
5. Household peak demand. Often 8 to 12 gallons per minute for a family home with several bathrooms and an irrigation tap.

Spec Criteria

Horsepower vs Head vs Flow

Horsepower is only the motor size. The pump end (stage count and impeller design) determines how flow and head trade off. A low-flow, many-stage pump lifts water from great depth, while a higher-flow, fewer-stage pump suits shallower water. Shutoff head is the maximum lift when flow reaches zero. You should operate in the middle of the curve, not at shutoff.

Two-Wire vs Three-Wire

A two-wire motor has the start components built in and needs no control box. It is simple and cheaper to wire. A three-wire motor uses a separate control box with a start capacitor, which means more parts but easier servicing, and the pump can be pulled and replaced without touching the capacitor box. Many larger and deeper pumps are three-wire. Check that the control box matches the horsepower and voltage, because some pumps, including the Red Lion RS series, do not include the box.

Stage Count

Each stage adds head. More stages mean higher head at lower flow, which is why a 5-GPM pump can lift from 300 feet on a half-horsepower motor. Match stages to total head, not to what the box says in marketing text.

Materials and Sand Tolerance

Stainless steel shells resist corrosion. Floating-impeller designs generally handle fine sand better than fixed-impeller designs, because the impellers can shift slightly when particles pass. If your well produces sand, a pump of this class and a sand screen or fix at the well are better than replacing pumps every few years.

Check Valve and Screen

Many pumps, including the Red Lion RS series, include a built-in check valve and a suction screen. Even then, many installers add a second check valve higher in the drop pipe on deep wells.

Pumps Reviewed

Franklin Electric 20FV1S4-3W230

Spec line: 1 HP · 230 V · 3-wire · four-inch · about 20 GPM class · separate control box required

Best for: homes with moderate depth and a need for good flow, such as a 150 to 250 foot pumping level.

Skip if: your pumping level is near the pump’s head limit; sources disagree on the head spec, so read Franklin’s curve.

• Pros: a well-known brand; widely serviced; strong flow.
• Cons: control box sold separately; published head and flow figures conflict between sources.

Red Lion RS12G10-3W2V

Spec line: 1 HP · 230 V · 3-wire · 12 GPM · 432-foot shutoff · stainless shell · built-in check valve and suction screen · 3-year warranty

Best for: typical deep wells in the 250 to 350 foot range with a household of four or five.

Skip if: you want a control box included in the box.

• Pros: official specs are clear; excellent head; stainless; solid warranty.
• Cons: 12 GPM class may feel short on flow with irrigation and several showers at once.

Red Lion RS12G15-3W2V

Spec line: 1.5 HP · 230 V · 3-wire · 12 GPM · 519-foot shutoff · stainless shell

Best for: very deep wells where a one-horsepower pump runs out of head.

Skip if: your well is under about 350 feet, where the extra motor is not needed.

• Pros: highest head in the series; same features as other RS models.
• Cons: higher draw; larger wire and breaker; higher cost.

Red Lion RS22G10-3W2V

Spec line: 1 HP · 230 V · 3-wire · 22 GPM · 213-foot shutoff · stainless shell

Best for: shallow-to-moderate wells with a strong yield and heavy demand, such as irrigation.

Skip if: your pumping level plus pressure head is above about 150 feet; flow will drop sharply.

• Pros: high flow.
• Cons: limited head; easy to oversize against the well’s yield.

Red Lion RS5G05-3W2V

Spec line: 1/2 HP · 230 V · 3-wire · 5 GPM · 303-foot shutoff · 1-1/4 inch discharge

Best for: deep wells with low yield, where a smaller pump keeps the water level from collapsing.

Skip if: your home has high simultaneous demand, since 5 GPM is limiting.

• Pros: gentle on low-yield wells; low electrical load.
• Cons: low flow; needs a properly sized pressure tank.

Red Lion RL12G05-2W2V

Spec line: 1/2 HP · 2-wire (built-in start components) · 12 GPM · about 212-foot shutoff · stainless casing · includes check valve and screen

Best for: modest-depth wells where you want wiring without a control box.

Skip if: your pumping level is beyond about 120 feet once pressure head is added.

• Pros: simple install; lower parts count.
• Cons: limited head; two-wire motors often cannot be repaired on the surface.

Goulds 10GS10412C

Spec line: 1 HP · 230 V · 3-wire · four-inch · 10 GPM class · stainless · floating-impeller design as described in published listings

Best for: wells with fine sand or abrasives, as described by the design class.

Skip if: you need documented head figures before purchase; sources report different numbers, so check Goulds’ curve.

• Pros: brand with a long track record; designed for harsher water.
• Cons: control box availability varies by listing; head figures conflict between sources.

Grundfos SQ Series

Spec line: 2-wire · soft start · overload and dry-run protection · output and head vary by model

Best for: homes with long pump life as a priority and smaller flow requirements.

Skip if: you need high flow; the SQ range suits modest demand.

• Pros: soft start reduces wear and electric surge; built-in protection.
• Cons: higher price; limited flow; model choice depends on your curve.

Information Gain: Worked Sizing Example

Take a three-bath home on a 280-foot well. Static water is 60 feet down, and the pumping level falls to 120 feet during use. The pump will sit at 200 feet. The pressure switch is set at 40 and 60 psi.

1. Convert pressure to head. One psi equals 2.31 feet of head, so the 60 psi cut-out is about 139 feet. Use the cut-out figure for planning.
2. Add the lift. Lift to the surface is the pumping level, 120 feet. Add 139 feet for pressure and about 10 feet for pipe friction, which is an assumption for a short run of drop pipe. Total dynamic head is about 269 feet.
3. Estimate demand. Add peak fixtures: two showers at about 2.5 gallons per minute each, a dishwasher at about 2, and a washing machine at about 3 gives about 10 gallons per minute. A garden hose adds 5 or more.
4. Pick a pump whose curve passes through 10 gallons per minute at 269 feet and sits near the middle of the curve. Shutoff head alone is not enough. The Red Lion RS12G10-3W2V has a 432-foot shutoff and a 12 GPM class rating, so it is a candidate, but you must verify its output at 269 feet on the curve. A 22 GPM unit would not lift this far.
5. Check the well. If the well yields only 5 GPM, a 12 GPM pump will draw it down and cycle the pump. In that case a 5 GPM pump with a larger tank is the safer choice.

Pressure tank pairing follows from run time. A common rule is at least one minute of run time per cycle for pumps up to one horsepower. At 12 GPM, that means about 12 gallons of drawdown. With a 40/60 setting, drawdown is roughly a quarter of the tank’s total volume, so a tank of about 50 gallons total (a typical 60-gallon nominal size) works. Check the tank maker’s drawdown chart for your cut-in and cut-out pressures.

Decision Matrix

Installation and Safety

• Power off. Turn off and lock out the breaker before touching any wiring or pulling a pump.
• Weight. A pump, drop pipe and water-filled line are heavy. Deep installs need a pump hoist or a licensed well contractor.
• Wire size. Voltage drop on long cable runs is real. Use the motor maker’s wire-size chart for your depth and horsepower.
• Torque arrestor and safety rope. Use a torque arrestor on deep wells and secure the pump with a stainless safety cable.
• Disinfect. Disinfect the well after service, following local health guidance, and test the water.
• Licensing. Many areas require a licensed installer. Check local rules.

Common Mistakes

Buying on horsepower alone, oversizing flow past the well’s yield, ignoring the pressure head, skipping the check valve, and ignoring a failing pressure tank are the most frequent causes of early failure. A waterlogged tank forces the pump to start constantly, which shortens life more than almost any other single factor.

Frequently Asked Questions

What size submersible well pump do I need?

You need a pump whose curve delivers your peak demand at your total head, which is pumping level plus pressure head plus friction. Most homes need 8 to 12 gallons per minute.

Horsepower alone does not tell you that.

Is a two-wire or three-wire pump better?

Neither is better in every case. Two-wire pumps are simpler to wire, while three-wire pumps use a surface control box and are easier to service.

Large and deep pumps are often three-wire.

How deep can a submersible pump go?

Residential four-inch pumps commonly reach several hundred feet, depending on the model. For example, the Red Lion RS12G15-3W2V lists a 519-foot shutoff.

Shutoff head is a limit, not a working depth.

Can a submersible pump handle sand?

Some designs tolerate fine sand better, especially floating-impeller stainless pumps. No pump handles heavy sand for long.

Fix the source with a screen, development, or well service.

What pressure tank goes with my pump?

Choose a tank whose drawdown gives your pump at least one minute of run time per cycle. At 12 gallons per minute, that is about 12 gallons of drawdown.

Consult the tank maker’s chart for your pressure settings.

How long does a submersible well pump last?

Often 8 to 15 years or more, depending on water quality, cycling and electrical protection. Frequent cycling from a failed tank shortens life.

Check your tank’s air charge once a year.

Can I replace a well pump myself?

It is possible on shallow wells, but deep installs are heavy and dangerous. A licensed well contractor is the safer choice.

Electrical work and well disinfection also have local requirements.

Why does my pump keep cycling on and off?

Short cycling usually points to a waterlogged pressure tank, a bad pressure switch or a leaking check valve. It rarely means the pump needs replacing right away.

Check the tank’s air charge first.