Universal Tubs Onyx Diamond Series 5 ft. Right-Drain Rectangular Drop-in Whirlpool and Air Bath Tub in White (59.625 in. x 35.875 in.)

Regular price $3,299.00

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Onyx Diamond dual-jetted drop-in bath, right drain, 5 ft

A compact, luxury dual-jetted tub blending whirlpool and air bath therapies in a durable acrylic shell. Features touch controls, chromatherapy lighting, aromatherapy, and a maintenance heater for spa-caliber comfort at home.


Key Features:

  • Dual Therapy System: 8 hydro whirlpool jets + 26 air jets deliver adjustable, full-body massage
  • Durable Acrylic Construction: Marine-grade acrylic with multi-layer fiberglass reinforcement for lasting shine
  • Easy Touch Controls: Intuitive pad manages jets and lighting; right-side drain with left pump location
  • Comfort-Focused Design: Molded arm and backrests, modern rectangular form with oval bathing well
  • Clean & Efficient: Built-in O3 ozonator keeps plumbing sanitary; 110V system with 2200W power

Specifications Table:

Specification Details
Bath Therapy Type Combination (Whirlpool + Air Bath)
Color Family White
Color/Finish White, ultra white glossy finish
Control Type Touch pad
Drain Location Right
Exterior Bath Shape Rectangular with oval opening
Faucet Mount Variable
Included Heater
Material Acrylic with fiberglass reinforcement
Maximum Number of Occupants 1 person
Number of Jets 34 (8 whirlpool + 26 air)
Number of Jet Settings 3
Product Weight 135 lb
Style Modern, straight
Tub/Shower Features Adjustable jet direction, adjustable jet flow, chromotherapy, predrilled drain holes, predrilled overflow holes, aromatherapy, O3 ozonator
Voltage 110 V
Water Capacity 50 gallons (average)
Wattage 2200 W
Certifications and Listings IAPMO Listed
Manufacturer Warranty 10-year limited on shell; 1 year parts; 90 days labor
Overall Dimensions 59.625 in. L x 35.875 in. W x 23 in. H
Basin Dimensions 54.25 in. L x 28 in. W
Soaking Depth 14.5 in.
Interior Height 18.5 in. (per diagram)

Frequently Asked Questions (FAQ):

Q: Does this tub require a dedicated electrical circuit?
A: Yes, it operates on 110V and should be installed on a dedicated, properly grounded circuit per the installation guide.


Q: Can the jet pressure be adjusted?
A: Yes, both whirlpool and air jets offer adjustable flow and direction.


Q: What are the overall and basin dimensions?
A: Overall: 59.625 in. L x 35.875 in. W x 23 in. H; Basin: 54.25 in. L x 28 in. W; soaking depth approx. 14.5 in.


Q: Is a heater included?
A: Yes, a maintenance heater helps keep bath water warm and comfortable.


Q: What is the warranty?
A: Limited 10-year on the shell, 1 year on parts, and 90 days labor.


Sculpted Serenity with Spa-Level Indulgence

This tub elevates the bath into a sanctuary—its crisp, ultra-white acrylic and refined geometry feel calm and tailored. The dual jet system and chromatherapy lighting create a sensory ritual, while the touchpad keeps it elegantly simple. Style it with honed marble and satin-nickel fixtures to let the clean lines sing. A must-have for a luxe, restorative bathroom experience.


Transform your bathroom into a private spa—add the Onyx Diamond dual‑jetted tub to your home today.

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