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Artesian Circ Pump 21-0011-81, 21-0015-81, 21-0016-81, 21-0017-81
Old Balboa Circ Pump

OEM Island Spas Circulation Pump – Current Factory Replacement

$269.99

Choose Your Island Spas Circulation PumpBest Value Smallest Option — With Cord Smallest Option — Without Cord OEM Recommended Best Warranty2 Years Laing / Goulds ReplacementGecko In-LinkFitment tip: Choose one of the smallest options when rear motor clearance is tight. Choose Best Warranty for the Gecko Circ-Master and its 2-year warranty.
Installation Accessories1.5-Inch Pump Split Nut 1.5-Inch Flat Gaskets — 2 Pack

Current factory-recommended circulation pump for most Island Spas.

  • OEM Artesian/Island Spas replacement
  • 1.5-inch spa plumbing
  • About 11.5″ long (intake to end of motor), cord included
  • 1-year warranty
  • Best default choice when equipment-bay clearance allows

Tight fit? Some spas originally used a shorter circulation pump. Compare the compact options before ordering if the rear of this motor may contact a jet-pump motor.

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🚚 How fast will this ship? 76% of Artesian parts ship within 2 business days.

Need it overnighted? Read this first

Island Spas Circulation Pump – will ship directly from May Manufacturing (Artesian Spas) in Las Vegas to you please allow an additional 7-10 business days for shipping

Circ Pump Specs: .35HP, 1-Spd, 230V/60hZ, Side Discharge, 1.5″ threaded plumbing union for 1.5″ pvc

Size & cord: This pump is about 11.5″ long, measured from the start of the threaded intake to the end of the motor. It comes with a cord.

From our service techs: When this pump replaces the discontinued Balboa circulation pump, we usually have to remove the screws holding the spa pack down and slide the pack over to make room. Even then, the rear of this pump usually rubs against the rear of the jet pump. Our compact replacement is about 9.5″ long and doesn’t include a cord, so you reuse your existing one.

Dirty Filters Cause circulation pumps to work harder and causes premature failure.

**When replacing the Old Discontinued Balboa Circulation Pump (3 mounting bolts) we recommend using this WE14 Circ Pump, as it is more comparable in size and makes for an easier install. The “Artesian recommended” circ pump is too long and is a very tight squeeze and usually ends up touching a jet pump when forcefully installed.

 

***Other models of Artesian Platinum will need this circ pump: Artesian Circ Pump – Gould/Laing

 

✅ Not Sure It Fits? Verify Before Ordering

Island Spas parts vary by model, model year, trim and generation. Spas built during the 2025/2026 changeover may be current-generation or “Classic” carryover, so the model year alone does not settle it — match your spa pack label.

To help us identify the correct replacement, please send clear photos of:

  • Your existing part, including any label
  • Your spa serial number sticker
  • Your spa pack / control system label

EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.


Match the amperage and voltage on your existing motor label first — those are what keep the pump inside your spa pack’s breaker and relay rating. Then confirm speeds, frame size and intake/discharge plumbing size. Horsepower and BHP figures are marketing numbers with no consistent convention and should not be used to match a pump.

Island Spas changed shells, filters and electronics for the 2025 model update, and prior-generation spas continued to sell alongside them as “Classic” models. There was no January 1 cutoff, so the model year on its own does not identify the generation — read the label on your spa pack, or send us a photo of it and we will identify it for you.

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