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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
✔️ Fast shipping from the USA
✔️ Knowledgeable support when you need it
✔️ 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.

Unions and Parts

Unions and parts are quick-disconnect fittings that allow easy removal of pumps, heaters, manifolds, or valves in hot tub and spa plumbing without cutting pipes. These include complete unions (tailpiece + split nut + gasket), pump unions (for intake/discharge), heater unions (for flow-thru heater connections), tailpieces (male/female ends), split nuts (threaded rings), union gaskets/O-rings, and repair kits—made from PVC or CPVC with threaded or slip ends for secure, leak-proof serviceability.

This category offers unions and parts compatible with major brands: Sundance (pump/heater unions), Jacuzzi (J-series unions), Hot Spring/Watkins (No-Fault pump unions), Balboa (universal heater/pump unions), HydroQuip, Dimension One, Caldera, and universal fits. Common sizes: 1-1/2" and 2" (tailpiece slip or threaded, split nut threaded), with high-temp silicone or Viton gaskets for chemical resistance.

Unions and parts vary by size (1-1/2" or 2"), type (pump union, heater union, tailpiece only, split nut only), connection style (slip x slip, slip x MPT/FPT), gasket material (silicone standard, Viton for chemicals), and spa-specific compatibility—precise matching ensures leak-free seals, easy disassembly, and proper alignment.

Common problems include leaks from worn/cracked gaskets/O-rings, loose split nuts causing drips, stripped threads on tailpieces or nuts, air leaks affecting pump priming, or unions freezing/cracking in cold weather. Replacing unions and parts is quick—unscrew old, replace gasket, reassemble—for serviceable, leak-free plumbing.

To select the right union or part:
- Identify your spa brand/model, year, union location (pump intake/discharge, heater inlet/outlet), size (1-1/2" or 2"), connection type (slip/threaded), and any part numbers/markings on existing unions.
- Note symptoms (leaks at union, loose nuts, air in lines, pump priming errors), or visible damage (cracked gasket, stripped threads).
- Avoid guessing—send us clear photos of the union (showing tailpiece, split nut, gasket/O-ring, pipe connection, pump/heater location, 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 unions and parts today to make pump, heater, and manifold service easy, fix leaks, and keep your hot tub plumbing reliable and accessible.

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