Holds upOnly Sundance SpasFluidix jets, no moving partsFluidix jets, co-developed with fluid-dynamics firm Bowles Fluidics, shape the water into pulsing and…2 catchesDetails
The pitchFluidix jets, co-developed with fluid-dynamics firm Bowles Fluidics, shape the water into pulsing and sweeping massage patterns without spinning parts, so there is nothing inside to wear out or seize.
Offered on: 780, 880 and 980 Series (not the 680)
Our takeFluidic oscillators are established engineering and the patents are real, so the no-moving-parts claim stands. But 'best massage' is subjective, the entry 680 doesn't get Fluidix, and 780 jets are warranted only 2 years (5 on the 880 and 980).
Who else has it: We found no other hot tub brand selling fluidic-oscillator jets. The key patents are Bowles', not Sundance's: US 7,766,261 (compact fluidic spa nozzle, now held by ABC Technologies, active to 2027), and none appears on Sundance's own patent page.
The catchFluidix skips the entry 680, and the 780's jets carry a short warranty. The 680 collection page promises only proprietary jets, even though the Fluidix page says every Sundance has them. The 2025 warranties cover jets 5 years on the 880 and 980, 2 years on the 780 and 1 year on the 680.
The catch (partly true)Rival knock: patented Fluidix parts are expensive dealer-only items. They are Sundance-only, but cheap and sold by independents, and at least one jet back is shared with Jacuzzi's Mini PowerPro. An independent store lists Fluidix faces and nozzles from $14.99 to $47.99, and a jet back labeled for Mini PowerPro FX, Vortex and Fluidix at $11.99. $14.99 to $47.99 per face or nozzle; $8.99 to $13.85 per jet back
Often said, not trueRival knock: jets with no moving parts are soft and can't be adjusted. Sundance says every Fluidix face turns clockwise for more pressure and counterclockwise for less, and its Intelli-Jet adds adjustable modes. No one publishes a pressure or flow test either way.
Holds upTwo-stage MicroClean filtrationA pleated outer cartridge wraps a fine inner one to catch oils and tiny particles, with 130 sq ft of filter…1 catchDetails
The pitchA pleated outer cartridge wraps a fine inner one to catch oils and tiny particles, with 130 sq ft of filter media on the 880 and 980.
Offered on: 880 and 980 (MicroClean Ultra II, 130 sq ft); 780 (MicroClean I, 125 sq ft); 680 (Mini)
Our take130 sq ft is a lot of filter area, and the design is documented in a patent. A dealer's claim that it's the only FDA-compliant, NSF-approved spa filter could not be verified, and the 680 gets a single smaller Mini filter.
Who else has it: Sundance patented its nested two-cartridge design (US 8,419,934), but two-stage filtering is common: Jacuzzi's J4 and J5 pair a depth cartridge with pleated filters, and Jacuzzi patented a dual-element spa filter in 2003 (US 6,592,341).
The catchThe fine inner cartridge is disposable: it can't be rinsed and must be replaced every 6 months, on top of the outer pleated filter. A Sundance parts seller says the MicroClean Ultra II inner core absorbs debris like a sponge and can't be sprayed out and reused, and Sundance's 880 manual says to replace it every 6 months. A complete two-piece set lists at $162.56. $46.99 per inner core (part 6473-453S) every 6 months, about $94 a year; a two-piece set runs $94.99 to $162.56
Holds upSteel frame, 10-year warrantyThe 880 Series sits on a galvanized-steel SunStrong frame that Sundance covers for 10 years.Details
The pitchThe 880 Series sits on a galvanized-steel SunStrong frame that Sundance covers for 10 years.
Offered on: 880 Series
Our takeThe 10-year steel-frame term is in the 880 warranty. It's 880-only: the 980's frame sits in a 2-year bucket, and the 680 and 780 don't say what their frames are made of.
Who else has it: Steel frames also appear at Hydropool, Vita Spa, American Whirlpool, Strong's Summit series and Jacuzzi's J5; sister brand D1 still uses wood with a 2-year frame term.
The catchFluidix skips the entry 680, and the 780's jets carry a short warranty.
More of what Sundance Spas says about itself4
Partly trueUV-C on every seriesAll four series, including the entry 680, ship with ClearRay Active Oxygen, which treats the water with UV-C…2 catchesDetails
The pitchAll four series, including the entry 680, ship with ClearRay Active Oxygen, which treats the water with UV-C light and ozone so you add less sanitizer.
Our takeUV-C and ozone are proven add-ons, but chlorine or bromine is still needed. The 680 has no circulation pump and most 780s circulate 8 hours a day, so the lamp treats water only while it flows; the bulb is replaced yearly and warranted for just 90 days.
Who else has it: It's the same system sister brand Jacuzzi uses. UV is optional or top-tier only at Cal Spas, PDC and Nordic.
The catchThe UV-C bulb is a yearly purchase that's warranted for only 90 days, and the whole ClearRay unit for 1 year. All four 2025 Sundance warranties cover the ClearRay UV and ozone system for 1 year and the bulb and quartz tube for 90 days. The same XL bulb fits 2012-on Sundance and Jacuzzi tubs and sells for $68 to $90. $68 to $89.99 per bulb (part 6472-841), every 12 months
The catchOn the 680 and most 780s, the lamp treats water only part of the day. The ClearRay FAQ says the unit goes dark between filtration cycles; the 680 Alicia lists no circulation pump and the 780 Hamilton an 8-hour one.
Partly trueTitanium Sentry Smart heaterSundance's heater uses a titanium coil that it says resists corrosion, heats more efficiently and carries a…Details
The pitchSundance's heater uses a titanium coil that it says resists corrosion, heats more efficiently and carries a 5-year unconditional warranty.
Our takeTitanium does resist corrosion, but electric resistance heaters are already about 98% efficient, so 'more efficient' means little. The unconditional 5-year line conflicts with the 680 warranty, which gives 3 years and lists exclusions.
Who else has it: Cal Spas' WhisperHot heaters also use titanium elements.
Mostly marketingJacuzzi engineering, lower priceDealers present Sundance as the hydrotherapy-focused sister of Jacuzzi, with comparable massage and more…Details
The pitchDealers present Sundance as the hydrotherapy-focused sister of Jacuzzi, with comparable massage and more included features for less money.
Our takeBoth brands' comparison posts are written by Jacuzzi Group staff and don't say in the text that one company builds both.
Who else has it: Every brand claims value; here the comparison is with a sister brand built by the same company, Sundance Spas, Inc.
Mostly marketingSince 1979, largest acrylic makerSundance has built acrylic spas since 1979, calls itself the world's largest maker of them, and says it was…Details
The pitchSundance has built acrylic spas since 1979, calls itself the world's largest maker of them, and says it was the first spa maker certified to ISO 9001.
Our takeNo production figures or certificate records back 'largest' or 'first'; the ISO claim comes from an undated distributor backgrounder. The 1979 Costa Mesa start is documented, but recent tubs were built in Mexico, per the 2021–22 recall.
Who else has it: Several rivals are as old or older: Caldera (1976), Hot Spring and D1 (1977), Beachcomber (1978). The 'largest' and 'first ISO 9001' claims appear only in Sundance's own material.
What rivals and critics say4
Sundance and Jacuzzi are one company building in the same Mexican factory for a private-equity owner, with tariffs pushing prices up.Our check: The shared company is real (Sundance Spas, Inc. also does business as Jacuzzi Hot Tubs), the 2021–22 recall lists Mexico, and a dealer that sells Sundance names Tijuana. But Hot Spring and Caldera's maker also builds in Tijuana, and we found no data on any tariff effect.
Proprietary jets, boards and UV parts mean independent technicians can't easily fix a Sundance.Our check: Fluidix jets, control boards, topside panels and ClearRay parts are Sundance-only, but independent online suppliers stock them by Sundance part number, and pumps and filters cross to standard brands.
Sundance has no salt-water option, so owners do more hands-on chemical work and drain more often than with Hot Spring or Caldera.Our check: True that no Sundance series offers a salt system; its low-chlorine True Water is only a 980 option. The draining comparison is the dealer's own and reflects the Watkins salt system, not a test.
Common owner complaints are leaks, failed circuit boards, warranty and service hassles, and noise.Our check: The list comes from a Sundance dealer's own rebuttal post, and owner reviews bear out the service and board themes: most ConsumerAffairs complaints concern warranty disputes and dealer service (1.1 of 5 from 66 reviews), and the BBB rates the maker D-.
The Sundance Spas lineup. Entry line first, flagship last.
19 hot tubs in 4 series. Tap a tub for its seats, size, power and price, or save it to compare.
680 Series
Value5 models · 3–7 seats
The entry collection, sold as core Sundance quality with streamlined features rather than a budget compromise.
The flagship: three massage pumps, a hybrid steel-and-plastic frame, dual insulation for extreme cold, and SmartTub plus an entertainment system as standard.
Massage and jet qualityPositive reviewers consistently rate the massage, jet variety and seating highly; the US Trustpilot profile is 55% five-star.
Solid shell and mechanicalsEven critical reviewers often fault electronics, boards or lights rather than the shell, pumps or jets.
What they complain about
Warranty claim disputesThe most common grievance: claims refused on technicalities, fees charged to diagnose warranty faults, and short coverage on replacement parts.
Dealer service qualityOwners report slow scheduling, repeat visits that don't fix faults, travel charges, and losing support when a dealer closes.
Control board and panel failuresOwners describe main boards and topside panels failing, sometimes repeatedly, with out-of-warranty repairs reported from hundreds to over $1,000.
4.8 of 5from 2,777 reviews on sundancespas.com, across 19 models.The maker runs that site, so expect it to read high.
1.1 of 5on ConsumerAffairs from 66 reviews. People with a problem are the likeliest to post there, so expect it to read low.
Complaint records: BBB, recalls and review sites4
Better Business Bureau
Grade D-, not accredited, 5 complaints in 3 years. Checked Sep 23, 2026.
ConsumerAffairs
1.1 of 5 from 66 reviews.
U.S. and Canada recalls
Dec 15, 2022CPSC recall 23-068: temperature sensor could let water run hotter than set on 680 to 980 Series spas sold July 2021 to December 2022.Dec 15, 2022Health Canada RA-72206: Canadian counterpart covering Sundance 680 to 980 Series and Jacuzzi tubs for the same burn hazard.
Trustpilot (sundancespas.com, unclaimed)
2.8 of 5 from 43 reviews.
A BBB letter grade rates how a company handles complaints, not how happy owners are, and complaint counts grow with the number of tubs a company sells.
How the 5 published BBB complaints endedChecked Sep 23, 2026
0 Resolvedthe customer accepted the company's answer
2 Answeredthe company replied; the customer didn't confirm it was fixed
0 Unresolvedthe company replied; the customer said it wasn't fixed
3 Unansweredthe company never replied
The company replied to 2 of 5. A complaint count means more next to how big the company is.
ConsumerAffairs reviews by starChecked Sep 23, 2026
5★13 20%
4★9 14%
3★1 2%
2★7 11%
1★36 55%
66 rated reviews. Their plain average is 2.3; ConsumerAffairs' own headline rating is 1.1. The site doesn’t say what period its headline rating covers, and people with problems are the most likely to post.
Every theme owners raise6
Covers wearing out early Reviewers describe covers becoming waterlogged, foam crumbling and vinyl splitting sooner than they expected.
What decides whether a tub lasts is mostly hidden under the shell. Here is what Sundance Spas publishes about it, and where it publishes nothing, we say so.
NoSelf-supporting shellA base pan and a separate frame hold it up.
PartlyClamped plumbingSome joints are clamped barbs, others are glued slip fittings.
YesManifold-fed jetsManifold-fed.
How it's kept hotInsulationSundance says it uses full-foam insulation throughout the cabinet.
NoSelf-supporting shell · Applies to: All models (680, 780, 880 and 980 Series). Older tubs have a wood support structure; the current patented platform uses molded ABS supports
Sundance's own patent shows the acrylic shell resting on an ABS base pan and a frame of vertical supports and a top rail. Sprayed foam beds the shell into place and insulates it. Take away the pan and frame and the shell has nothing to stand on.
PartlyClamped plumbing · Applies to: All models (from the shared Sundance and Jacuzzi parts catalog, not a teardown). The mix of barb and slip fittings seems to vary by model and circuit
The parts catalog lists barbed manifolds and jet bodies along with Sundance-numbered hose clamps, but also slip ports that are glued solid. Which one you get depends on the circuit. Either way the lines sit in sprayed foam, so reaching a leak means digging foam out first.
YesManifold-fed jets · Applies to: All models (from the shared Sundance and Jacuzzi service parts catalog; not checked against a teardown or a factory plumbing diagram)
Sundance sells its own 2, 4, 6 and 7-port water manifolds plus air manifolds and blank plugs. Jet bodies have one water port and no pass-through to the next jet, so a blocked jet does not starve the rest. This comes from the parts catalog, not an opened cabinet.
PartlyStandard parts · Applies to: All models; the mix of standard and proprietary parts is the same across series
Pumps trace back to Aqua-Flo, Balboa and Emerson, flow switches are Harwil, and filters cross-reference to Unicel and Pleatco. Independent suppliers sell all of it online without a dealer account. Fluidix jets, control boards, topside panels and ClearRay UV only come from Sundance.
PartlyCompression-fitted jets · Applies to: All series
Parts sellers list body nuts, washers and O-rings for most Sundance jet families. The Fluidix ST body used on many current tubs isn't documented, and newer shared Jacuzzi parts use push-in grommets. Nothing shows glued bodies.
YesAdjustable jets · Applies to: 680, 780, 880 and 980 Series, from the 2025 owner's manuals. Not every jet adjusts; the manuals say "certain jets"
The owner's manuals tell you to turn a jet's outer ring to raise, lower or shut off its flow, and to rotate the center disk to change the stream. At least six have to stay open per system so the pump and filter work properly. Air is set per group, not per jet.
YesService network · Applies to: All models, US market
Sundance lists 359 dealer locations in the US, and the 2022 temperature-sensor recall was repaired free through those dealers. Independent suppliers also stock Sundance-numbered parts online. The published warranty covers components but never says who must do the work or whether labor is paid.
PartlyAmerican made? · Applies to: The recall covers 680, 780, 880 and 980 Series tubs sold July 2021 to December 2022; the company address applies to all models
Mexico: 680 to 980 Series spas built July 2021 to December 2022 were made in Mexico, per a 2023 federal recall.
Read the warranty card before you sign: what labor is covered after year one, and whether it moves to a second owner.
The numbers across the lineup8
Seats
3–8
Models with a lounger
11 of 19
Plug into a regular outlet (120V)
3 of 19
Jets
21–66
Jet pumps
1–3
Jet pump power
1.5–5 HP continuous
Water
195–505 gal
Keeping it hot
About $21 a month on standby (cover on, nobody in it) for the middle model, at the US average 18.19¢ per kWh (January to July 2026).California test figures: 108–232 W across 19 filed models, median 157 W.
Tell us which hot tubs you like. We send you the price range, then introduce you to one Sundance Spas dealer near you, who reaches out knowing what you expect to pay.
Claremont · 980 Series
