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Spa Parts Made Simple

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

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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.

Brett Aqualine

Brett Aqualine flow thru heater assemblies are classic, reliable heating units found in many older hot tubs and spas (often under Brettline, Spa Builders, or compatible with HydroQuip pre-1997 packs). These complete assemblies feature flow-thru manifolds (plastic ABS or stainless steel), integrated heating elements, pressure switch taps (1/8" NPT), and unions/tailpieces for direct plumbing—delivering safe, efficient heating with built-in protection against dry firing.

This category includes replacement Brett Aqualine flow thru heater assemblies and cross-compatible options, typically in 4.0kW or 5.5kW ratings (240V standard, some 120V convertible), 15" manifold lengths, 2" x 1-1/2" plumbing (with split nuts/gaskets), models like EM100/EM190/EM105/EM104 (non-digital), EM-201/203 (HT-1 style with thermostat/hi-limit), Pinnacle/EM1000 variants, and digital series. Many originals are discontinued, so we offer direct-fit or upgraded equivalents (e.g., stainless/titanium elements for better corrosion resistance).

Brett Aqualine assemblies vary by kW output, voltage, manifold material (plastic vs. stainless), external/internal thermowells, pressure switch mounting (top indent grooves), union size, and control compatibility (e.g., non-digital analog or digital packs)—exact matching is key to avoid leaks, flow issues, or electrical mismatches.

Common problems include no heat from failed elements, leaks at unions/gaskets from age/cracking, pressure switch failures causing flow errors, scale/corrosion buildup (especially in plastic manifolds), hi-limit trips from poor circulation, or intermittent heating in older EM-series units. Replacing the full flow thru heater assembly is usually the best solution for these legacy systems, as individual parts are scarce—often upgrading to modern equivalents prevents recurring issues.

To get the right Brett Aqualine heater assembly:
- Check your spa brand/model with Brett Aqualine controls, year, voltage, kW rating, manifold length/size, plumbing connections, and any part numbers (e.g., B24040E, B24055E, 22-0135).
- Note error symptoms, thermostat/hi-limit behavior, or visible markings on the manifold/element.
- Avoid guessing—send us clear photos of your existing Brett Aqualine heater (showing manifold, element label, pressure tap, unions, wiring, control pack, 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 Brett Aqualine flow thru heater assemblies today to revive heating in your classic spa setup with dependable, compatible replacements.

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