Skip to main content

Spa Parts Made Simple

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

Shop Spa Parts
✔️ 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.

Gecko

Gecko flow thru heater assemblies are premium, high-performance heating units standard in many contemporary hot tubs and spas with Gecko control systems. These complete assemblies include corrosion-resistant stainless steel or titanium flow-thru manifolds, powerful heating elements (replaceable via in.link connectors), integrated hi-limit and temperature sensors, pressure/flow switches for safe operation, and 2" unions/tailpieces—ensuring fast, reliable heating with excellent flow detection and dry-fire protection.

This category offers a full range of replacement Gecko flow thru heater assemblies and direct equivalents, available in common ratings: 4kW, 5.5kW, 6kW, 8kW, and 11kW (240V primary, some 120V options), with standard 15" manifold lengths, low-flow/high-flow designs, and compatibility across Gecko platforms like in.ye, in.stream, in.touch2, Y-series (in.yj/in.yt), Class 1/2, and older GS/GE systems. Many include slide plates or mounting hardware for easy retrofits.

Gecko assemblies vary by kW output, voltage, manifold material (stainless vs. titanium for salt systems), sensor integration (hi-limit/temp combo), pressure/flow switch type, union configuration, and specific control pack (e.g., in.ye-5, in.stream IC, Y43)—precise matching is critical to avoid error codes (e.g., FLO, HL, OH, Pr), poor heating, or compatibility issues.

Common problems include no heat from failed elements or bad sensors, flow errors from stuck pressure/flow switches or clogged filters, overheating/hi-limit trips due to scale buildup or low circulation, leaks at unions/gaskets from wear, sensor faults causing Pr or Sn errors, or corrosion in non-titanium units with salt water. Replacing the full Gecko flow thru heater assembly often resolves multiple faults efficiently, restoring quick warm-up and consistent temperature control.

To find the correct Gecko heater assembly:
- Identify your spa brand/model with Gecko controls, year, pack type (e.g., in.ye-3, in.stream), voltage, kW rating, plumbing size, and any error codes.
- Check manifold markings, element connector (in.link), sensor plugs, and pressure switch style.
- Avoid guessing—send us clear photos of your existing Gecko heater (showing manifold label, element rating, sensors, flow/pressure switch, unions, wiring/in.link connector, 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 Gecko flow thru heater assemblies today to keep your spa heating fast, safe, and energy-efficient with top-tier performance.

!