H2X Challenger · Fitness

Challenger 21D

Challenger 21D swim spa — top-down view

Specifications

Dimensions
257" x 94" x 60"
Dry Weight
3,735 lbs
Full Weight
34,045 lbs
Jets
53 + 2 Master Blasters®
Water Capacity
1,830 gallons
Electrical
240V dedicated circuit, licensed electrician required (NEC-compliant)
Click to See Your Price
Financing available through Synchrony

See if we have the Challenger 21D on display

Standard Features

Aquaspeed VSP

Six airless VIP jets deliver a strong, steady swim current without introducing air into the water.

Hydrotherapy

Adjustable temperature controls and strategically placed jets, including a dedicated therapy cove.

LED Lighting

Waterline LED lighting for ambiance in the evening.

Cabinet Lighting

An illuminated logo and accent light bar built into the cabinet exterior.

Xtreme Therapy™ Cove

A dedicated jet pattern targeting the back, hips, thighs and calves.

EcoPur Filtration

Mineral-based filtration using copper and zinc to purify water and reduce chemical use.

Master Blaster Foot Therapy

14-nozzle jet clusters built for a focused, relaxing foot massage.

StressRelief Neck & Shoulder Seat™

Out-of-water jets positioned to target neck and shoulder tension specifically.

Master Force™ Bio-Magnetic Therapy

Strategically placed magnets along the seating to support circulation and recovery.

Water Features

Built-in waterfalls that add to the ambiance of the swim spa.

H2Xercise™ Fitness System

Rowing bars and resistance tubing built in for water-based workouts.

Wi-Fi Module

Control water temperature, lighting and massage pumps from your phone.

Nonslip, Comfort Floor System

A textured, cushioned floor built for grip and comfort underfoot.

Premium Options

Available upgrades. Ask us which are included or added cost.

Fusion Air Sound System

A Bluetooth® stereo with up to four water-resistant speakers and a subwoofer.

Mast3rPur™ Water Management System

Reduces the chemicals needed to keep water clean using a natural water-management process.

Challenger 21D FAQs

What are the dimensions of the Challenger 21D?

The Challenger 21D measures 257" x 94" x 60" and holds 1,830 gallons of water.

How many jets does the Challenger 21D have?

The Challenger 21D has 53 + 2 Master Blasters®.

How much does the Challenger 21D cost?

The Challenger 21D is quoted per build, because the price moves with the options you choose, the cover and lifter, the delivery and any electrical work. Tell us your setup and we will give you a real number the same day. Call the showroom nearest you or request pricing online.

Is financing available for the Challenger 21D?

Yes. Master Spas of California offers financing through Synchrony for qualified buyers, at 9.99% APR for 132 months with nothing down. On select models that works out to under $100/mo. for a hot tub and under $275/mo. for a swim spa; your payment depends on the model you choose, the options on it and your local tax rate. See our financing page for complete terms.

Where can I see the Challenger 21D in person?

You can see the Challenger 21D at our California showrooms: Brea (270 N. Brea Blvd), Escondido (499 N. Hale Ave), Pleasanton (4877 Hopyard Rd B-2). Call ahead and we will confirm it is on the floor before you drive over.

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