Sundance Spas Chelsee 7 Person Hot Tub
Sundance Spas Chelsee 7 Person Hot Tub
Overview
With room for up to seven adults, the Chelsee® spa offers the highest seating capacity in the 780™ Series and features the widest variety of specialized seats.
Quick Specs
- Total Seats: 7
- Lounge Seat: No
- Dimensions: 7'5" x 7'5" x 37.5"
- Water Care System: ClearRay Active Oxygen® System
- Voltage: 240v 40 amp / 50 amp or 60 amp
Specifications
- Volume: 400 gal. | 1,514 L
- Dry Weight: 873 lbs. | 396 kg.
- Jets: 40
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North America (60 Hz): 1-Speed/2.5 HP Continuous, 12.0A Max., 56 Frame Export (50 Hz): 1-Speed/2.0 HP Continuous, 8.0A Max.
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North America (60 Hz): 1-Speed/2.5 HP Continuous, 11.0A Max., 56 Frame Export (50 Hz): 1-Speed/2.0 HP Continuous, 7.0A Max.
- Circulation Pump: Yes
- Diverter Valves: 1
- Filtration System: MicroClean® I Filtration System
- Filters: 1
- North America (60 Hz): 240 VAC@40A, 50A, or 60A; Export (50 Hz): 230-240 VAC@1x20A, 1x16A/1x20A, or 3x16A (see manual for more configurations); or Suitably Rated Circuit Breaker to Comply with Local Electrical Regulations. Certain Countries May Require Dual Power Inputs; Two GFCI/RCD Breakers are Required for This Configuration.
- MicroClean® I Filtration System with Floating Weir, 125 ft² combined filtration (1 pleated and 1 spun-bound cartridge)
- Square
- 8-Hour Circulation Pump; Factory installed ClearRay Active Oxygen® System
Brand
Sundance Spas
- Spa Shell Structure: 10 Years
- Shell Surface: 7 Years
- Equipment & Controls: 5 Years
- Plumbing Components: 5 Years
- Cabinet: 5 Years
2 year warranty for all other factory installed components not otherwise mentioned specifically, including, but not limited to the frame, cabinet hardware,
insulation, diverter valves, jets, LED lighting systems, filter shield, stereo related components (receiver, speakers, subwoofer, power supply, etc.)and mechanical components are warranted against malfunctions due to defects in workmanship or materials.
- Spa Sense powered by Sutro: 1 Year
Other Components: 1 Year
- Factory installed SmartTub® system is warranted against malfunction due to defects in workmanship or materials.
- Factory installed ClearRay Active Oxygen® UV & Ozone system is warranted against malfunctions due to defects in workmanship,
materials, and leaks for one year, except the UV-C bulb and quartz tube. The UV-C bulb and quartz tube are warranted for ninety (90) days.
Important
Actual shell and cabinet colors may differ from on-screen representation. Please see your local dealer to verify.
Distinctive Features
Clean Water
CLEARRAY Active Oxygen™ technology and an advanced MicroClean® Ultra filtration system with horizontal filter set the standard for robust, efficient water filtration. Includes CLEARRAY® On-Demand.
Lighting and Waterfalls
Stainless Steel Exterior lights plus Multicolor SunRay™ LED lighting is integrated into the spa interior and behind the AquaSheer™ waterfall.
Cabinetry Access and Exterior Indicator Light
UV-resistant synthetic cabinetry with tool-free EZ Access Door makes maintenance a breeze.
Sundance Spas 780 Series FAQs
What is the Sundance Spas 780 Series?
The Sundance® Spas 780™ Series is a premium hot tub collection designed to balance reliable performance, therapeutic massage, modern styling, and strong overall value. It includes advanced features like patented Fluidix® jets, SunSide® cabinetry, an illuminated waterfall, and a glass touch control panel.
Which models are in the Sundance Spas 780 Series?
The 780™ Series includes models such as the Chelsee®, Hamilton™, Bristol™, Montclair™, and Dover™. These models range from compact designs for smaller spaces to larger spas with seating for up to seven adults.
How many people can fit in a Sundance Spas 780 Series hot tub?
Seating varies by model. The Dover™ seats up to three adults, the Montclair™ seats up to four, the Hamilton™ seats up to six, and the Chelsee® seats up to seven adults.
What makes the 780 Series different from other Sundance Spas series?
The 780™ Series offers many signature Sundance® features at a strong value, including patented Fluidix® jets, specialized massage seats, durable SunSide® cabinetry, an illuminated waterfall, and easy-to-use controls.
Does the Sundance Spas 780 Series have hydrotherapy jets?
Yes. The 780™ Series uses patented Fluidix® jets, which blend air and water to create adjustable massage experiences in strategically placed therapy seats.
Which 780 Series model has the most seating?
The Chelsee® offers the highest seating capacity in the 780™ Series, with room for up to seven adults and a wide variety of specialized seats.
Is there a compact Sundance Spas 780 Series model?
Yes. The Dover™ and Montclair™ are compact options in the 780™ Series. The Dover™ seats up to three adults and is designed for patios or smaller spaces, while the Montclair™ seats up to four and features a petite lounge seat with a low profile for easier entry and exit.
What type of cabinetry does the Sundance Spas 780 Series use?
The 780™ Series features SunSide® cabinetry, which is designed to be stylish, durable, tool-free, UV-treated, and fade-resistant.
Which 780 Series model is best for families or entertaining?
The Chelsee® is a good fit for families or entertaining because it offers the highest seating capacity in the 780™ Series, with room for up to seven adults.
Is the Sundance Spas 780 Series a good value?
Yes. The 780™ Series is positioned as a value-focused premium series, offering many popular Sundance® comfort, therapy, lighting, filtration, and design features without moving into the brand’s highest-tier series.
Hot Tub Safety Tips
For safety, limit hot tub sessions to about 15–30 minutes, keep the water temperature at or below 104°F, and stay hydrated before and after use. Avoid alcohol, and get out right away if you feel dizzy, lightheaded, overheated, or uncomfortable. People who are pregnant, have heart conditions, blood pressure concerns, or other medical conditions should check with a healthcare professional before using a hot tub.
Hot Tub Blog Posts
How Long Does a Hot Tub Last? Lifespan by Brand & Class
How long will it last?" is one of the first questions every hot tub shopper asks — and the honest answer is anywhere from 5 to 20+ years. Where your spa lands comes down to two things above all: how well it was built, and how well it's cared for. This guide breaks down typical lifespan by class (inflatable 2–5 years up to premium acrylic 15–20+) and by brand (Hot Spring, Sundance, Caldera, American Whirlpool), explains the seven factors that actually determine longevity, and shows you the warning signs of a spa nearing the end. Plus the habits that push any hot tub toward the top of its range — because a quality spa, well cared for, is a 20-year investment.
Why Hot Tubs Freeze (And How to Prevent It in East Idaho)
It seems impossible that a tub of 104°F water could freeze — but when East Idaho temperatures crash and something goes wrong, a frozen hot tub becomes one of the most expensive mistakes a homeowner can make. And because freeze damage is preventable, it's usually not covered by warranty. This guide explains exactly how freezing happens (it starts in the plumbing, not the main body of water), what's at risk, and the four ways East Idaho spas actually freeze. Then it lays out a complete prevention plan — everyday winter protection, a power-outage strategy, warning signs to watch for, and a freeze-risk breakdown by location from Idaho Falls to Island Park. Keep it running, keep it covered, have a plan.
Hot Tub Maintenance Schedule: A Year-Around Guide for Idaho Owners
A hot tub is one of the easiest home wellness investments to maintain — if you follow a routine. The owners who keep their spas running beautifully for 15+ years are the ones who spend just a few minutes a week on a consistent schedule. Idaho adds a few wrinkles: cold winters demand freeze vigilance and snow management, dry summer air affects water levels, and well water brings minerals to manage. This guide lays out your entire routine in one quick-reference table, then walks through every task — daily, weekly, monthly, quarterly, and annual — plus a season-by-season Idaho schedule for winter, spring, summer, and fall. A few minutes a week, decades of enjoyment.
