El Grande EC-1166EX

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  Seats 8-10 Adults

  7’9″ x 10’10.5″ x 39.5″

  66 Jets

Or Call Us: (317) 773-3545


For those that love to entertain, the El Grande EC-1166EX is an obvious choice. It measures 7’9″ x 10’10.5″ x 39.5″ and is spacious enough for up to 10 adults. The open bench seating allows everyone to spread out and relax comfortably as you enjoy time together in the spa. It has a 5.5kW titanium heater and 66 jets that are powered by an impressive 3-pump system. The perimeter LED lighting and curved cascade LED waterfall add the perfect ambiance to your spa experience.

With 9 different massage seats, you can choose the massage that meets your needs and switch it up at any time. Each of the powerful 66 stainless steel exclusive Velocity jets is placed to target specific pressure points so you get an impactful massage in every seat. Fine-tune your hydrotherapy session with the convenient LCD Touch2 Control Panel touch display that allows you to control the jets, temperature, and lighting with ease.

The El Grande EC1166EX comes standard with the Elite Horizontal cabinet panels and 4-corner LED lighting. It features thermo-shield side paneling engineered with premium insulation. The thermo-layer floor with ABS liner keeps moisture out while locking in heat. The pressure-treated cabinet frame wood resists rot, decay, and bugs. The shell is engineered with patented 7-layer laminate steel and wood. As a result, it’s one of the strongest spa shells in the world. The Cal Armor upgraded spa cover locks in heat to keep your spa water nice and toasty all year long.

Evenings under the stars with friends are more fun in a spa! And The El Grande EC-1166EX delivers on style and performance. For added peace of mind, the El Grande includes a 10-year structural warranty, 7-year finish warranty, and 5-year warranties on labor, cabinet, and parts for purchase confidence.

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Seating Capacity

8 Person

Cal Spas Series

Escape Plus Series

Seating Style

Bench Seating


Cal Spas

Hot Tub Size

XL / Swim Spas


7'9" x 10'10.5" x 39.5"

Water Capacity

900 (3,407 L)

Weight (dry)

1,500 (680 kg)

Weight (filled)

9,006 (4,085 kg)

Jet Count



65 Stainless Steel Jets: Exclusive Velocity™ Jets, 1 Whirlpool Jet

Water Care Systems

Compatible with Bromine or Chlorine

Water Feature

20" Cascade LED Waterfall

Multi-color LED Lighting

Perimeter LED Lighting

Circulation Pump

3 x 6.0 BHP (3 x 3.0HP) Eliminator High Performance™ Pump

Heater Output

5.5kW Titanium Heater

Control System

BP 501X Touch2 Black

Electrical Requirements


Gate Valve(s)


Air Venturi Valve


Filter Size

100 sq. ft. (2 x 50 sq. ft.) filter

Energy Efficiency

Thermo-Shield™ Insulation Side Panels and Thermo-Layer Floor with ABS Liner

Ozone System

Pure Silk™ Ozonator with Mazzei Injector and Mixing Chamber

Pressure Treated Cabinet


Cabinet Access Drain



Cal Spas Premium Badge on Cabinet

Cabinet Type

Elite Horizontal

Spa Shell Options

Sterling Silver

Cabinet and Step Colors

Coastal Grey or Mocha

Cover Colors

Brown or Gray


10 Years (Structural), 7 Years (Finish), 5 Years (Parts, Labor, Cabinet)

Color Options

Escape and Platinum Series Owner's Manuals

Cal Spas makes it easy to access the owner’s manuals for your Cal Spas hot tub. Find owner's manuals for current and past models. Download manuals in PDF form on the Cal Spas website.

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