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TheraMax Wetend 2.5 HP (4.2 BHP/SPL) Sundance & Jacuzzi Spas
Was: $262.80Now: $219.95 -
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TheraFlo Wetend 1.5 HP, Sundance & Jacuzzi Spas
Was: $213.12Now: $179.95 -
Volute O-Ring, Jacuzzi / Sundance TheraFlo & TheraMax, 4 Leg, O-464
Was: $11.52Now: $9.95 -
SpaShopper
Spa Hot Tub Pump Air Bleeder Add On Kit 1/4" Mpt X 3/8" Barb with Sealer Fitting
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Jacuzzi
Jacuzzi wet ends are the water-handling replacement portions of Jacuzzi pumps (volute, diffuser, seal plate, and related internals), sold as complete wet end units (without motor). Replacing the wet end repairs leaks, weak flow, cavitation, or internal damage while reusing your existing motor for cost-effective pump service.
This category offers replacement Jacuzzi wet ends, compatible with popular Jacuzzi pump series (e.g., J-Pump, Thalassa, and circulation models). Wet ends feature side or center discharge, high-flow/low-flow designs, carbon/ceramic seal pre-installed, and threaded or union connections for easy motor attachment.
Jacuzzi wet ends vary by series/model (J-Pump, Thalassa, etc.), horsepower rating (0.5HP–5HP), discharge type (side/center), seal type (carbon/ceramic), impeller style (high-flow vs. low-flow), and pump compatibility—precise matching ensures correct flow rate, no cavitation, and proper shaft fit.
Common problems include leaks from cracked volutes or worn seals, weak jets/filtration from damaged diffuser/impeller housing, cavitation/noise from internal wear, restricted flow from scale buildup, or pump failure from broken wet end components. Replacing the wet end restores full pump performance—bolts onto your motor with new seals.
To select the right Jacuzzi wet end:
- Identify your spa brand/model, year, pump brand/model (e.g., Jacuzzi J-Pump, Thalassa), horsepower/speed, discharge type (side/center), shaft type (threaded/keyed), and any markings on the existing wet end.
- Note symptoms (leaks at pump housing, weak/no flow, cavitation noise, pump overheating), or visible damage (cracked volute, worn diffuser).
- Avoid guessing—send us clear photos of the pump wet end (showing volute/diffuser, discharge side, seal plate, shaft opening, pump label/model, 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 Jacuzzi or any spa manufacturer. Brand names and part numbers are used for compatibility and identification purposes only.
Shop our replacement Jacuzzi wet ends today to fix leaks, restore strong jets/filtration, and keep your hot tub pumps running efficiently by reusing your good motor.