Flash™ Hot Tub

Limelight® Series by Hot Spring Spas

The Flash™ is a seven-person open-seating hot tub in the Limelight® Series, the mid-tier hydrotherapy line manufactured by Hot Spring Spas, a Watkins Wellness brand. The Flash is the premium seven-seat Limelight spa with a versatile, open design. Measuring 7' × 7' with a 360-gallon water capacity, the Flash packs seven seats, including a jetted footpod, into the same compact 7' × 7' footprint shared with the Flair®. Hydrotherapy runs through two Wavemaster® 8000-class jet pumps and a SilentFlo 5000® circulation pump, with FreshWater® IQ Ready plumbing for optional salt-water sanitization and 100% no-bypass dual-action Tri-X® filtration. The Flash is sold and serviced through Seven Seas Pools & Spas.

Starting at $239.96/month*

Features At A Glance

Capacity

7 adults (Bucket Seats, Bench Seats, jetted footpod, elevated Cooldown Seat)

Footprint

7' × 7' × 36" tall (213 × 213 × 91 cm)

Jets

41 total across 6 jet types

Water Care

FreshWater® IQ Ready (Smart Monitoring + Dosing optional)

Flash Hot Tub Details

  • Heater: No-Fault® 4,000 W (230 V)
  • Electrical: 230 V / 50 amp / 60 Hz (GFCI sub-panel included)
  • Water Care: FreshWater® IQ Ready (Smart Monitoring + Dosing optional)
  • Filtration: 100% No-Bypass Dual-Action with High-Flow Tri-X® Filters (100 sq. ft. effective)
  • Insulation: FiberCor® high-density (manufacturer notes density four times greater than half-pound foam used in most spas)
  • Warranty: 7-year structure, 5-year shell / cabinet / plumbing / heater / components, 3-year interior lighting

Who the Flash™ Is Built For

The Flash fits households that want seven seats in a 7' × 7' footprint, the same compact dimensions as the lounge-equipped Flair®, but configured for one more seated bather and an open-seating layout. The jetted footpod is included rather than optional. The trade-off vs. the Flair is clear: more seats, no lounger, and a broader range of valid seating arrangements within the same square footprint. Households prioritizing capacity and footpod hydrotherapy in a compact spa pick the Flash; if you want a lounger pick the Flair.

It is not the right choice if you:
  • Want a recline lounger, the Flash is open seating with no lounge. For a Limelight lounger in the same 7' × 7' footprint see the Flair® (6-seat with lounge)
  • Need a 115 V plug-and-play install, the Flash is hardwired 230 V / 50 amp only. The smaller Beam™ is the only Limelight model offered as plug-and-play
  • Want the patented Moto-Massage® DX experience, that jet is exclusive to the Highlife® Series
  • Want maximum jet count, the Flash has 41 jets, the lowest of the 7-seat Limelight options. The Pulse® has 49 and the Prism™ has 73

Want the Flash experience?

Explore the Flash with Seven Seas Pools & Spas and compare the seating, massage, and water-care features in person.

Choose Your Colors

Flash Shell Flash Cabinet

Available Cabinet Styles

Coastal Gray
Espresso
Sable

Available Shell Styles

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Specifications

Spa Specification Value
Seating capacity 7 adults (open seating with Bucket Seats, Bench Seats, jetted footpod, Cooldown Seat)
Length × Width × Height 7' × 7' × 36" (213 × 213 × 91 cm)
Water capacity 360 gallons (1,365 liters)
Weight (dry) 845 lbs (385 kg)
Weight (filled) 5,070 lbs (2,300 kg), includes water and 175 lb adult per seat

The Flash uses two Wavemaster® jet pumps, the 8200 (two-speed) and the 8000 (one-speed), both rated 2.0 HP continuous duty / 4.0 HP breakdown torque, paired with a SilentFlo 5000® circulation pump for low-noise filtration. The 41 jets distribute across six engineered jet types:

Jet Type Count Targeted Area
XL Dual Rotary 1 Premium bench seat, large rotating dual-stream pressure
XL Single Rotary 3 Large rotating single-stream pressure
XL Directional 1 Premium bench seat, deep muscle relief
Standard Single Rotary 4 "Soothes muscles with a rhythmic, circular motion"
Standard Directional 4 Adjustable directional pressure
Directional Precision® 28 "Adjustable up, down, right and left for pinpoint muscle treatment"
  • Comfort Control®, main intensity dial that lets users move "from a soft touch to a powerful massage" without leaving the seat
  • SmartJet® System, selectively distributes water flow to specific jet groups and seats, so individual users can boost or reduce pressure in their position
  • Bucket Seats, purposefully shaped to "comfortably cradle your body"
  • Bench Seats, upright support with positional flexibility
  • Cooldown Seat, elevated to help adjust body temperature when entering and exiting
  • Jetted Footpod, included standard, providing foot-level massage during seated soaks

The Flash is FreshWater® IQ Ready, meaning the spa is engineered to accept the FreshWater® IQ salt-water sanitization platform, the system itself is sold separately rather than included standard. When fitted, the system automatically generates chlorine from salt for soft, natural-feeling water without harsh odors, itchy skin, or irritated eyes, and water balance is maintained for up to one year between full drain-and-refill cycles. FreshWater® IQ Smart Monitoring + Dosing (hourly chemistry monitoring and step-by-step dosing instructions through the Hot Spring Spas App) is offered as a further optional upgrade.

Water Care Specification Value
Standard system FreshWater® IQ Ready (system sold separately)
Smart monitoring FreshWater® IQ Smart Monitoring + Dosing (optional)
Filtration 100% No-Bypass Dual-Action Filtration with High-Flow Tri-X® Filters
Effective filtration area 100 sq. ft.
Filter design note Two-filter Dual-Action design, dedicated filters for circulation and jet pumps
  • FiberCor® high-density insulation, Hot Spring notes the density is "four times greater than the half-pound foam used in most spas"
  • Polymeric substructure with polyethylene sealed bottom, protects the underside of the spa from ground moisture
  • Patented Pump Shroud that captures heat from the equipment compartment and transfers it to the water
  • No-Fault® 4,000 W heater at 230 V
  • SilentFlo 5000® circulation pump that, per Hot Spring, "uses less energy than a 40-watt light bulb"
  • CEC and APSP 14 compliant, meets California Energy Commission and Association of Pool & Spa Professionals 14 portable spa energy efficiency standards
  • IQ 2020® Color LCD Control, the main control panel
  • Diagnostic / Ready Light, at-a-glance status indicator
  • Hot Spring Spas App, optional, via the Connected Spa Kit. Adds remote temperature control, water-care alerts (with FreshWater® IQ Smart Monitoring), and diagnostic monitoring
  • Multi-Color LED Points of Light, interior lighting accents the shell contours
  • Multi-Color Exterior LED with Timer, exterior cabinet lighting
  • Vidro® Backlit Ribbon Waterfall, the Limelight signature water feature, a backlit ribbon of water with integrated lighting
Cover & Accessory Specification Value
Cover WeatherPro™ 4" Tapered Core with Hinge Seal (custom-fit)
Cover colors Storm, Black
Cover lifters (optional) CoverCradle®, CoverCradle II, UpRite®, Lift 'n Glide®
Steps (optional) Limelight® Series Steps
Entertainment (optional) Wireless Music System, Subwoofer
Sanitation (optional) Ozone System

Hot Spring publishes the Flash's warranty terms explicitly. Seven Seas honors and processes warranty claims for every Flash sold:

Warranty Component Coverage
Structure 7 years
Shell surface 5 years
Cabinet 5 years
No-leak plumbing 5 years
No-Fault® heater 5 years
Components 5 years
Interior light assembly 3 years

The 7-year structure warranty matches the rest of the Limelight® Series. The shell-surface coverage is one tier shorter than the Highlife® Series (which carries 7 years on shell surface) and one tier longer than the Hot Spot® Series.

Hydrotherapy Experience, What a Flash Soak Feels Like

The Flash centers on versatile open seating with a jetted footpod. Seven seated positions plus the elevated Cooldown Seat give bathers room to move and shift through a soak. The jet system is purposefully arranged to address neck, shoulders, back, wrists, calves, and feet. A premium bench seat carries the spa's flagship XL Dual Rotary and XL Directional jets, the deep, focused massage station, while the rest of the seats distribute Standard Single Rotary jets (rhythmic circular motion), Standard Directional jets, and 28 adjustable Directional Precision® jets (adjustable up, down, right, and left for pinpoint muscle treatment). Comfort Control® dials the overall intensity from a soft touch to a powerful massage; SmartJet® distributes flow to whichever seats are occupied. The included jetted footpod gives every seated bather foot-level pressure throughout the soak.

Flash hot tub

See if the Flash fits your space

Review the dimensions, seating layout, and water-care features with a Seven Seas advisor.

Related Spas in the Limelight® Series

Related Spa Seats Lounge Key Differentiator
Flash™ (this model) 7 No (open seating) 7 seats in 7' × 7' footprint, included jetted footpod, 41 jets
Prism™ 7 Yes Largest Limelight, 73 jets, JetStream® XL, lounge + Captain's Chair
Pulse® 7 No Larger 7'5" × 7'5" footprint, 49 jets, central Foot Therapy pod
Flair® 6 Yes Same 7' × 7' footprint with lounger and 1 fewer seat
Beam™ 4 No Smallest Limelight, 4 Bucket Seats, 115 V plug-and-play option

How the Flash Compares to Other Hot Spring Spas Series

The Limelight Series sits in the middle of the Hot Spring Spas lineup. From most to least premium: Highlife → Limelight → Hot Spot → Freeflow.

Highlife Series

Highlife® Series, premium top tier (Moto-Massage® DX, FreshWater® IQ Salt System included standard, BellaFontana® water feature, multi-layer urethane foam insulation, 7-year structure and shell warranty)

View Highlife Series Hot Tubs
Limelight Series

Limelight® Series, mid tier. The Flash lives here. Defined by FiberCor® high-density insulation, Vidro® Backlit Ribbon Waterfall, Multi-Color LED Points of Light, FreshWater® IQ Ready, and varied open-seating geometry

View Limelight Series Hot Tubs
Freeflow Series

Freeflow® Series, entry tier (FROG® Sanitizing System Ready, polyester filters, rotomolded unibody cabinet, 2-Speed 1.5 HP jet pump, LCD screen control, 115 V plug-and-play standard, smallest capacities, simplest accessory ecosystem)

View Freeflow Series Hot Tubs

Seven Seas also carries the Caldera Spas brand, Hot Spring's sister Watkins Wellness line. Other premium brands take different hydrotherapy approaches: Caldera Spas, for example, builds its experience around the UltraMassage® lounge (a choreographed multi-zone sequence in a recline lounger) and the Atlas® Neck Massage (above-water jets contoured to the neck and shoulders). Both deliver excellent therapeutic massage, they simply feel quite different. Seven Seas carries both brands. Call or stop by your local Seven Seas Pools & Spas location to see which Caldera and Hot Spring models are currently on display and available for comparison. The Caldera vs Hot Spring comparison covers how the platforms differ in detail.

Ready for a private Flash wet test?

The Flash is part of the lineup carried by Seven Seas Pools & Spas. Call ahead or stop by your local showroom to confirm current showroom availability. Visiting a showroom is the fastest way to compare the open-seating Flash against the lounge-equipped Flair® in the same 7' × 7' footprint, and to see the Limelight shell colors and cabinet finishes on the models currently on display. Call or visit your local Seven Seas Pools & Spas location to schedule a private wet-test soak appointment with the models currently on the floor.

Installation and Delivery

The Flash requires a 230 V / 50 amp / 60 Hz circuit wired to a GFCI sub-panel, the sub-panel is included with the spa.

Site requirements:

Installation and Delivery
  • Level reinforced concrete pad, deck capable of supporting 5,070 lbs filled, or a prepared spa pad

  • 24" minimum service clearance on at least one side for equipment access

  • Standard delivery to ground-level installations

Seven Seas offers full delivery and installation service including site assessment, electrical coordination with a licensed electrician, and post-fill water balancing.

Water Care and Ongoing Maintenance

With FreshWater® IQ Ready plumbing, the Flash accepts the FreshWater® IQ salt-water sanitization platform as an optional add-on at delivery or any time after. When fitted, week-to-week maintenance reduces to monitoring water clarity and replacing the salt cartridge when prompted. Adding Smart Monitoring + Dosing brings hourly chemistry monitoring and step-by-step dosing instructions through the Hot Spring Spas App.

The 100% no-bypass dual-action Tri-X® filtration uses two filters, dedicated to the circulation pump and jet pumps, so every drop of water passes through filtration during operation. Filter cleaning runs on the same monthly cadence as any high-flow filter cartridge, see the filter care guide in the owners area.

For broader guidance, the salt-water hot tub care guide in the owners area covers cartridge replacement, ozone interaction, and seasonal draining intervals.

Frequently Asked Questions

Yes, the Flash's 7-seat open-seating configuration means a family of four gets a seat each plus three free for guests, with the jetted footpod giving every seated bather foot-level massage. The featured manufacturer review specifically notes "plenty of room for our family of 5." For households of three or fewer, the smaller Beam™ (4-person) may fit better.

The Limelight Series is engineered for low operating cost via FiberCor® high-density insulation (engineered for four times the density of half-pound foam used in most spas), the patented Pump Shroud heat capture, and the SilentFlo 5000® circulation pump (which uses less energy than a 40-watt light bulb). Actual monthly electrical cost depends on local utility rates, ambient temperature, and use frequency. The CEC and APSP 14 certifications verify the Flash meets strict energy efficiency standards. Ask a Seven Seas advisor for an operating-cost estimate based on your climate and electricity rate.

No. The Flash is hardwired 230 V / 50 amp / 60 Hz only. For a 115 V plug-and-play Limelight option, see the smaller Beam™, which ships convertible between 115 V plug-and-play and 230 V hardwired.

No. The Flash is open seating with no lounge, a versatile, open design. For a lounger in the same 7' × 7' footprint, see the Flair®. For a 7-seat lounger, see the larger Prism™.

Both are 7-seat open-seating Limelight models, but the Pulse® is in a larger 7'5" × 7'5" footprint with 49 jets and a central Foot Therapy pod (jets engineered to hit everyone's feet simultaneously). The Flash is in a smaller 7' × 7' footprint with 41 jets and a jetted footpod. The Pulse uses larger 9000-class Wavemaster® pumps (2.5 HP each); the Flash uses 8000-class pumps (2.0 HP each). The Pulse is the larger, more powerful 7-seater; the Flash is the more compact 7-seater.

Yes, a WeatherPro™ 4" Tapered Core cover with hinge seal is included custom-fit to the spa. Cover colors are Storm and Black. Cover lifters are optional add-ons: choose from CoverCradle®, CoverCradle II, UpRite®, or Lift 'n Glide® depending on your installation clearance and preference.

The Flash carries a 7-year structure warranty, 5 years on shell surface, cabinet, no-leak plumbing, No-Fault® heater, and components, and 3 years on the interior light assembly. See the Warranty section above for the full coverage table. Seven Seas processes all warranty claims on Flash spas sold from our locations.

Yes, with proper ventilation and drainage. Indoor installations require an electrician-approved 230 V / 50 amp feed, a moisture-resistant floor structure rated for 5,070 lbs, and active humidity ventilation. See the indoor installation guide for full requirements.

Yes. The jetted footpod is included standard on the Flash, distinct from the larger Pulse, where the central Foot Therapy pod sits at the geometric center of the spa to hit all bathers simultaneously. The Flash footpod gives every seated bather foot-level massage during a soak.

Where to See the Flash™ in Person

Where to See the Flash™ in Person

The Flash is part of the lineup carried by Seven Seas Pools & Spas. Call ahead or stop by your local showroom to confirm current showroom availability. Visiting a showroom is the fastest way to compare the open-seating Flash against the lounge-equipped Flair® in the same 7' × 7' footprint, and to see the Limelight shell colors and cabinet finishes on the models currently on display. Call or visit your local Seven Seas Pools & Spas location to schedule a private wet-test soak appointment with the models currently on the floor.

Clarion
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3 Hospital Drive
Clarion, PA 16214

Cranberry Township
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5003 Bear Run Road
Cranberry Township, PA 16066

DuBois
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384 Midway Dr.
DuBois, PA 15801

Hermitage
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3690 E State Street
Hermitage, PA 16148

North Fayette
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750 Chauvet Drive
Pittsburgh, PA 15275

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