Red Lion RL12G15-3W2V Well Pump Review: Fits 4-Inch Driven Wells or Larger

The RL12G15-3W2V in Short

Red Lion RL12G15-3W2V Well Pump moves 12 GPM for you if you need a 3-wire submersible pump for lighter household demand.

If your well uses a 3-wire motor setup, the control box choice matters before you think about flow, and this pump states 3-wire operation.

RL12G15-3W2V pairs that wiring with 230 Volt service and 11.5 running Amps, so it fits buyers replacing a deeper-well submersible unit with the same electrical setup. The stainless steel housing is another listed detail that belongs in the comparison when you are narrowing replacements.

We screened 107 Well Pumps and this is one of 15 chosen for a full review. Full reviews go to the most-rated products that pass screening, at most 2 per brand. This one has 419 buyer ratings, the 11th most of the 107 screened. If you are upgrading from an older pump, check the 1-1/4-inch FNPT discharge and the 3.9-inch diameter first.

The Short Answer on the RL12G15-3W2V

Best for: you need a 3-wire submersible well pump for a 4-inch well and want 1.5 HP with a 1-1/4-inch discharge.

Choose the RL12G15-3W2V if that setup matches your well, and budget around $721.11.

• Pro: The 1.5 HP motor gives you more power than the 1/2 HP, 3/4 HP, and 1 HP reference points used in this category.
• Pro: Its 548-ft. shut-off head suits deeper wells or long lift runs where vertical lift is the main constraint.
• Pro: A built-in check valve and NSF/ANSI 372 certification support potable-water use in a 4-inch or larger driven well.
• Con: The 12 GPM rating limits simultaneous demand, so larger homes with several fixtures running at once may need more output.
• Con: The control box is not included, so a 3-wire setup needs that extra part before installation can be completed.

Don’t buy this if: your system needs 15 GPM or more for several fixtures at once, because this pump is rated at 12 GPM.

Price assessment: $721.11 is a premium price for a 1.5 HP, 3-wire submersible pump with stainless steel construction.

You might also consider our roundup of the best well pump under $300 if you are working with a strict budget.

Key Specifications

Maximum head separates this pump most. It measures the greatest vertical lift the pump can overcome while moving water.

Before You Buy: Well Pump Checklist

The first thing to check is whether your well is 4 inches or larger, because RL12G15-3W2V is a 3.9-inch pump and the fit has to match before anything else matters.

• ☐ Confirm your casing diameter — 4-inch diameter driven wells or larger; if your well is smaller, the pump will not fit and you will need a different model.
• ☐ Check the discharge connection size — 1-1/4-inch FNPT discharge; if your plumbing is sized differently, you will need incompatible fittings or a different pump.
• ☐ Measure your total lift requirement — 548-ft. shut-off; if your well needs less lift than that figure implies, the issue is not fit but whether the pump can deliver usable pressure at your tap.
• ☐ Confirm your control-box setup — 3-wire motor type and control box not included; if you do not already have the matching control box, you will need to buy one before installation can proceed.
• ☐ Budget for the matching control box — compatible with Red Lion RLCB15-230, 640222; if you choose the wrong box, you may have to replace it before the pump can be wired.
• ☐ Check your household demand — 12 GPM; if your home needs more flow at once, you will have to live with reduced output or choose a higher-flow pump.

If your well is smaller than 4 inches, or you need a pump with a different discharge size or a built-in control box, do not buy this one.

What the Numbers Mean in Use

Well Diameter Fit

Measure your well casing first, because RL12G15-3W2V is a 3.9-inch pump made for 4-inch diameter driven wells or larger. That size matters if you are replacing an older submersible pump, since the pump body has to clear the casing before anything else about the system matters.

Its 1-1/4-inch FNPT discharge and 3-wire layout also shape the fit decision. You need space for the outlet size and a control box, and the listing says the control box is not included, so plan for that separate part if your setup uses it.

Why NSF/ANSI 372 Certification Matters for Drinking Water

RL12G15-3W2V is NSF/ANSI 372 certified for potable water, so it is listed for drinking-water use rather than only irrigation or utility service. That certification is the relevant filter if your well feeds household taps, since you want a pump whose stated use includes potable water.

The stainless steel housing and built-in check valve add two more listed details that matter in a water-supply role. Stainless steel is the stated construction material, and the check valve helps keep the pump’s discharge line from draining back through the system between runs.

Flow and Pressure Output

RL12G15-3W2V states 12 GPM, 1.5 HP, and a 548-ft. shut-off, so you are looking at a pump aimed at deep wells with moderate household demand. That flow rate can support two bathrooms and a kitchen at the easier end of the range, and it is enough for a small off-grid home with modest daily use.

The same 12 GPM also sets the limit for larger homes with several fixtures running at once, where the demand can run closer to 15 to 25 GPM. The 548-ft. shut-off is the important number if your water level sits far below the pump intake, because it gives you a deep-lift option without changing the discharge size or the 230-volt, 11.5-amp electrical setup.

Which Jobs the RL12G15-3W2V Handles, Worked Out From Its Specs

The RL12G15-3W2V against the jobs buyers ask about, worked out from its listed maximum flow rate and horsepower and a typical need for each job.

How the RL12G15-3W2V Compares to Alternatives

RL12G15-3W2V gives you 1.5 HP, 12 GPM, and 548-ft. shut-off in a 3-wire submersible package. That combination favors depth and motor power over high simultaneous flow.

• Tuhorse’s 2 HP motor is larger, but the outlet size is the same at 1.25 inch NPT. If your plumbing already matches that discharge, the difference shifts to motor power rather than fit.
• FE Myers HR50D lists 1/2 HP, so RL12G15-3W2V carries a much larger power rating for deeper or harder-pumping jobs.
• Goulds J7 Convertible Jet Pump lists 0.75 HP, which keeps it in a lower power class than this submersible model.
• Goulds J5S Shallow Well Jet Pump is rated 4.3 by 322 buyers, while RL12G15-3W2V is rated 4.2 across 419 ratings. The buyer signal is close, so the spec differences matter more than the score.
• Myers Shallow Jet Well Pump does not state specs here, while RL12G15-3W2V states a 3.9-inch pump diameter, stainless steel housing, and a built-in check valve.

If your priority is the lowest purchase price, the Goulds J5S shallow-well pump is the one to pick instead. It is around $150.31 cheaper, but it is a shallow-well jet pump, so the category fit is different from this submersible model.

For a different high-performance option, explore our full review of the CJE075-1.

Getting the RL12G15-3W2V Working, and What to Check After

What RL12G15-3W2V needs before it can move water

RL12G15-3W2V needs a 230 Volt supply and a 4-inch diameter well or larger before it can do useful work.

1. Confirm the well opening is 4 inches or larger, because the pump diameter is 3.9 inches.
2. Match the discharge connection to 1-1/4-inch FNPT so the outlet fits the plumbing you already have.
3. Plan for a 3-wire setup with a separate control box, since the motor type is 3-wire and the box is not included.
4. Use a 230 Volt supply and allow for 11.5 running amps at startup and during operation.
5. Place the built-in check valve and built-in suction screen in service as part of the pump assembly.

Warranty and support: what to confirm for this well pump

Cover differs by seller and country.

• Confirm the return window before it closes, because the 1.5 HP motor and 548-ft. shut-off make this a costly item to replace if it arrives wrong.
• Confirm whether the separate control box is included or sold separately, because the listing says the box is not included and the 3-wire motor needs one to run.
• Confirm the discharge fitting and well diameter on arrival, because the 1-1/4-inch FNPT outlet and 3.9-inch body must match your setup.
• Confirm support for the stainless steel housing and NSF/ANSI 372 potable-water certification, because those are the listing details most tied to your use case.

When it arrives, open the carton and verify the control box, the 1-1/4-inch FNPT discharge, and the 3-wire motor before your return window closes.

What Buyers Still Want to Know About This Well Pump

Is 230V and 11.5 running amps something my existing wiring and breaker can handle?

Maybe, but the 230 Volt, 11.5 running Amps draw is the number that matters here. You need wiring, breaker size, and circuit capacity that are rated for that load, and the fitting itself is a job for a qualified installer where local rules require one.

Is 12 GPM enough for a normal house with showers, laundry, and sprinklers running?

12 GPM is enough for lighter household demand, but it is not a strong match for several fixtures at once. The pump states 12 GPM at 30 PSI at a depth of 240-ft., and that puts it in the easier end of the range for two bathrooms and a kitchen, not a larger home with several simultaneous draws.

Is the price worth it for a stainless-steel, potable-water pump, or am I paying extra for features I do not need?

RL12G15-3W2V also includes a built-in check valve and a 1-1/4-inch FNPT discharge, so the price is tied to a fairly specific feature set rather than a bare-bones pump.

Does the Red Lion RL12G15-3W2V fit a 4-inch well casing?

Yes, the RL12G15-3W2V fits 4-inch diameter driven wells or larger. Its 3.9-inch pump diameter leaves little room to spare, so you should measure the actual casing before ordering.

Can the Red Lion RL12G15-3W2V work with a 3-wire submersible setup?

Yes, the RL12G15-3W2V is a 3-wire pump and the control box is not included. That means you need the matching control box separately, and the listing names Red Lion RLCB15-230, 640222 as compatible.

How deep can the Red Lion RL12G15-3W2V lift water?

The RL12G15-3W2V is listed with a 548-ft. shut-off. That figure matters when your well has a deep water level or long vertical lift, because the lift rating is the spec that speaks to head, not flow.

Does the Red Lion RL12G15-3W2V include a check valve?

Yes, the RL12G15-3W2V states a built-in check valve. That can simplify the parts count in the system, but the rest of the plumbing layout is still something you need to size for your own well.

Is the RL12G15-3W2V Right for You?

Who the RL12G15-3W2V suits and the jobs it is the wrong choice for, listed below with the reason for each.

Where to Buy This Well Pump

Well pumps are sold by the retailers below – we do not track which of them has the RL12G15-3W2V in stock, so check availability and the current price with the retailer before making a trip.

• Home Depot (online and physical stores) — breadth of range and in-store returns
• Lowe’s (online and physical stores) — breadth of range and in-store returns
• Ace Hardware (online and physical stores) — local pickup and specialist staff
• Northern Tool + Equipment (online and physical stores) — breadth of range and specialist staff
• Grainger (online and physical stores) — business or trade accounts
• SupplyHouse.com (online only) — specialist staff and breadth of range
• Amazon (online only) — breadth of range and easy comparison shopping

Final Verdict on the RL12G15-3W2V

You should choose the RL12G15-3W2V if your well uses a 4-inch or larger driven casing and you need a 1.5 HP, 3-wire submersible pump with a separate control box. Around $721.11 buys a 1-1/4-inch FNPT discharge, stainless steel housing, and a built-in check valve.

The 548-ft. shut-off is the strongest number here. It is the figure that matters if your water level can sit deep below the pump intake, while the 12 GPM flow rate keeps the focus on modest household demand rather than high simultaneous use.

Skip it if: you need 15 GPM or more for several fixtures at once, or you want a 2-wire setup without a separate control box.