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Spa Parts Made Simple

Pumps, heaters, control boards, and replacement parts — without the confusion.

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✔️ Real OEM & compatible spa parts
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✔️ Trusted by spa owners since 2015

Not sure which part fits your spa?

We make it easy to find the right replacement part — without guessing.

  1. Find your spa model
  2. Match the part number
  3. Order with confidence
Get Help Finding a Part

SpaShopper makes it easy to find quality hot tub and spa replacement parts without the frustration. From spa pumps and heaters to control boards, jets, filters, and plumbing components, we stock parts that fit a wide range of popular spa brands. Whether you’re fixing a heating issue, replacing a worn pump, or upgrading aging components, SpaShopper helps you get your spa running again quickly and confidently.

Grundfos

Grundfos circulation pumps are high-quality, low-flow, continuous-run pumps designed for hot tub filtration, heater, ozonator, and sanitizer delivery. These are sold as complete pump assemblies only (wet end + motor fully integrated), providing quiet, energy-efficient operation and reliable water movement without separate replaceable parts.

This category offers complete Grundfos circulation pump assemblies, including popular models: UP15-10, UP15-18, UPS15 series, and similar low-wattage units. Compatible with many spas using Grundfos circ pumps (Sundance, Jacuzzi, Balboa-equipped, HydroQuip universals, and custom systems). Pumps feature side discharge, 115V/230V options, 1/15HP–1/5HP ratings, and threaded or union connections for easy installation.

Grundfos circulation pumps vary by model (UP15-10, UP15-18, UPS15), horsepower (1/15HP–1/5HP), voltage (115V/230V), discharge type (side), and spa-specific compatibility—precise matching ensures proper GPM flow (typically 5–15 GPM), no cavitation, and correct plumbing fit.

Common problems include no flow from failed complete pumps, leaks from worn internal seals (non-serviceable), noisy operation from bearing wear, weak filtration from undersized pumps, air locks from loose unions, or overheating from restricted suction. Replacing the entire Grundfos circulation pump assembly restores continuous water movement and efficient sanitization.

To select the right Grundfos circulation pump:
- Identify your spa brand/model, year, pump type/location (circulation/filter/heater loop), horsepower/voltage, discharge type (side), and any Grundfos model/markings on the existing pump.
- Note symptoms (no flow, leaks at pump, noisy/grinding, weak filtration, overheating), or visible damage (cracked housing).
- Avoid guessing—send us clear photos of the pump (showing label/model, discharge side, connections/unions, plumbing, and spa label with model/serial number) for expert verification.

**Text or send photos to: 772-800-5445**  
**Or call us at: 844-500-4645**  
We'll confirm compatibility before you order.

SpaShopper is not affiliated with any spa manufacturer. Brand names and part numbers are used for compatibility and identification purposes only.

Shop our complete Grundfos circulation pumps today to restore continuous water movement, improve filtration/heating efficiency, and keep your hot tub water crystal clear and sanitary.

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