Redefine backyard living with the H2X Challenger 21D. This dual-zone swim spa design provides an expansive swim area, a separate hot tub section, and an integrated sun lounge. Offering the benefits of a pool with the therapy for a hot tub, this 21-foot swim spa is the perfect spot for swimming in place, water exercise, recreation, and relaxation. Personalize your sessions with independent temperature controls, adjustable jets, and LED lighting.
Challenger 21 D
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Model Overview
DIMENSIONS
257" x 94" x 60"
Open Seating
JETS
53 Jets
FILTRATION
EcoPur® Charge
SPA VOLUME
1830 gal
SPA WEIGHT
20850 lbs. Filled
3735 lbs. Dry
ELECTRICAL
240 V / 100 Amp
All dimensions are approximate. Spa Volume is based on average fill. Specification are subject to change without notice.
View the Challenger 21 D Swim Spa in Your Own Backyard
Explore every inch of this swim spa with an innovative 3D view! Take a closer look at the features and enjoy a better approach when planning your swim spa installation.
It’s like visiting a showroom to shop for a swim spa but from the comfort and safety of your home. For more information about our products for sale, contact us today!
Click the icon in the corner to see the spa in your own backyard.
Features of the Challenger 21 D Swim Spa
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Water Features
The waterfalls of your swim spa are soothing to watch and listen to, adding to the overall ambiance of your backyard.
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StressRelief Neck & Shoulder Seat
Relieve tension and pain in your neck and shoulders with the StressRelief Neck and Shoulder Seat. The unique out-of-water jets target this high-tension area.
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LED Lighting
Waterline LED lighting adds to the ambiance and overall enjoyment of your swim spa.
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Hydrotherapy
Contoured therapy seats and adjustable massage jets help you find relief from muscle aches and achieve peace of mind.
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Nonslip, Comfort Floor System
The Nonslip, Comfort Floor System offers safety and comfort with the unique combination of traction and cushion.
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Master Blaster Foot Therapy System
Treat your feet to a rejuvenating foot massage with the Master Blaster Foot Therapy. Each jet cluster features 14 individual nozzles for a soothing foot massage.
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H2Xercise ™ Fitness System
Water exercise is a great way to work toward your fitness goals. Most H2X swim spas come with the H2Xercise Fitness System, which includes rowing bars and resistance tubing.
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Master Force Bio-Magnetic Therapy System
The Master Force Bio-Magnetic Therapy System features strategically placed magnets to relieve inflammation, improve circulation, and boost nervous system responses.
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EcoPur® Charge
The clean, clear water you want without the harsh chemicals you don’t. EcoPur Charge uses minerals like copper and zinc to purify water and remove dirt, bacteria, and algae.
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Xtreme Therapy Cove
The Xtreme Therapy Cove features a unique jet pattern that targets back, hips, thighs, and calves. Use as a recovery tool or enjoy a therapeutic massage.
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AquaSpeed VSP™
With 25 speed settings, you can turn up the tempo for an interval workout or dial it in for endurance efforts.
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VIP Technology
Contoured therapy seats and adjustable massage jets help you find relief from muscle aches and achieve peace of mind.
Optional Features of the Challenger 21 D Swim Spa
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Mast3rPur
The Mast3rPur™ Water Management System reduces the amount of chemicals, like chlorine, that you need to use and keeps your spa water clean naturally.
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Axis Cover System
Whether you’re looking for a simple solution for handling your swim spa cover or if you want the best swim spa cover on the market, the Axis Cover System is the best choice.
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Heat Pump
Keep your H2X Fitness swim spa at your perfect temperature year-round while saving on your monthly energy bill. This technology, which connects to your spa’s plumbing, can efficiently heat or cool your water. The heat pump is a dealer-installed premium option.
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Fusion Air Sound System
Stream your favorite station or playlist via Bluetooth®. The hot tub stereo includes up to four interior, water-resistant speakers, and a subwoofer to maximize sound quality.
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Bluetooth Speaker
Whether you are hanging out with loved ones or want to create a moment of calm, the right playlist can help you set the mood. This sound system has 40W power and a bass boost with up to 10 hours of playtime. It’s designed to easily rest on the water features of the spa for superior sound quality.
Browse the H2X Challenger Series
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