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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
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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.

HydroQuip

HydroQuip flow thru heater assemblies are versatile, high-quality heating units widely used as direct replacements or OEM equivalents in hot tubs and spas. These complete assemblies feature durable stainless steel (or titanium for salt-water systems) flow-thru manifolds, powerful screw-in or flange heating elements, integrated pressure switches for flow detection, hi-limit and temperature sensors, and 2" unions/tailpieces—providing safe, efficient heating with excellent dry-fire protection and broad compatibility.

This category includes a large selection of HydroQuip flow thru heater assemblies and compatible models, available in standard ratings: 4kW, 5.5kW, 6kW, 8kW, and 11kW (120V/240V options), 15" manifold lengths (common "short" or "long" styles), low-flow/high-flow designs, and series like the classic 9000/9100, 9200, 9300, 9400, and newer universal lines. Many are cross-compatible with older Balboa, Gecko, Brett Aqualine, ACC, and other packs—ideal for retrofits or when originals are discontinued.

HydroQuip assemblies vary by kW output, voltage, manifold material/length, element type (screw-in 1-1/4" thread common), pressure switch mounting (top or side), sensor integration (dual thermistor or separate hi-limit), union style (split nuts/tailpieces), and control compatibility—exact matching ensures proper fit, flow sensing, and error-free operation.

Common problems include no heat from failed elements or bad sensors, flow errors from faulty pressure switches or debris, overheating/hi-limit trips due to scale or low circulation, leaks at unions/gaskets from wear or improper torque, corrosion (especially non-titanium in salt systems), or intermittent heating. Replacing the full HydroQuip flow thru heater assembly is often the most reliable and cost-effective solution—many customers upgrade to these for better durability over legacy units.

To select the right HydroQuip heater assembly:
- Identify your spa brand/model, control pack type, year, voltage, current kW rating, plumbing size, and any part numbers or markings on the existing heater.
- Note error codes (e.g., FLO, HL, OH), sensor behavior, or pressure switch issues.
- Avoid guessing—send us clear photos of your current heater assembly (showing manifold label, element rating, pressure switch, sensors, unions, wiring, control box, and spa label with model/serial number) for expert verification.

Text photos to 772-800-5445 or call 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 HydroQuip flow thru heater assemblies today for dependable, universal-fit heating that brings your spa back to perfect temperature quickly.

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