The 8 best hot tub ozone generators of 2025

✴️【Universal Fitment】Serves as a perfect replacement or add-on for ALL spa ozonator brands and OEM ozone generators.

✴️【Typical CD Ozone Generators 】 HCD-55 Spa Ozonator Kit highlights the latest CD (corona discharge) technology it adopted. Such a corona-discharge method is to use high voltage electrical discharges to create ozone, contributing to high concentration, production and quality of ozone, high efficiency and low cost. Make your pool cleaner for a long-term use.

✴️【Remarkable Performance】Thanks to the CD technology, 1) this kit has HIGHER ozone output of 55 mg/hour than other generators; 2) this CD Ozonator can hold up a LARGER volume of water: For all hot tubs & swim spas up to 1500 gallons

✴️【Technical Specification】Universal Voltage: autosensing 120V / 240V; AMP-4 power plug

✴️【Item Included】1*Ozonator, 1*6-ft tubing, 1*check valve,4* hose clamps, 1*power cord & AMP-4 plug, 4* hose clamps, 2* zip ties

✴️【Friendly Service】 A full return is available within 30 days if you are not satisfied; we also offer a 12-month warranty from the date of purchase to make sure that you have good experience.

【Note】Spa ozone generator kit needs to be used in conjunction with our injector venturi. Before purchasing, please check if the power connector (AMP-4 Plug) is suitable for your hot tub type. If you are unsure we are glad to help.

【Universal Spa Ozonator】 Spa ozone generators (AMP-4 Plug) operates at a power of 5.5W and features universal voltage compatibility. Ozone generator Spa can automatically detect 110V-240V power sources, making it suitable for various electrical configurations and use in different areas.

【High Ozone Output】Hot tub ozone generator offers 50mg/h stable, effective and powerful ozone output, ensuring effective sanitation and purification for spas, hot tubs and cold plunge pools with closed-loop water circulation system, effectively eliminating odors without leaving any chemical residue.

【Wide Application】Ozone generator water Spa is specifically designed for various Spas, hot tubs, cold plunge tubs, swim spas, surfing bathtubs. The ozone generator spa produces a generous amount of bubbles that keep water clean and fresh for longer, delivering a healthier water experience for you.

【Low Noise & Safe】Ozone generator hot tub features a small and compact structure, low noise and good cooling conditions. If water back flow, there is no danger and without ozone residual and secondary pollution. Despite there is a instruction manual, the installation also requires tools, experience and electrical skills, we recommend installed by a qualified electrician or pool/spa technician.

【Ozonator Includes】Spa ozonator kit Includes 1* ozonator, 1* venturi injector, 1*7.3-ft tubing, 1* check valve,1* power cord, AMP-4 plug and 1*instruction manual. Spa ozone generator is backed by a 1-year warranty, and our dedicated support team is available 24/7 to assist with any problem.

【Note】: HCD-55 spa zone kit needs to be used in conjunction with the spa zone injector venturi. Before purchasing, please check if the power connector is suitable for your hot tub type. If you are unsure, you can send us an email and we will quickly and accurately match you

【High Zone Output】: Spa ozone generator uses the latest technology, reaching up to 1500 gallons. The ozone generator provides a high ozone output of 55 milligrams per hour, ensuring low cost and high efficiency. It has universal voltage capability and can automatically sense 120V and 240V power sources, ensuring compatibility

【 1-Year Service 】: Our ozonator for hot tub comes with a 1-year service. If you encounter any problems during this period, please write to us promptly and we will provide a quick and satisfactory solution within 12 hours.

【Widely applicable】: Spa ozone generator hot tub is suitable for all hot tubs and swimming spa centers, and is the best alternative to all spa ozone generator brands and OEM ozone generators

【Package includes】: Hot tub ozone generator includes a 6-foot tube, check valve, 4 hose clamps, power cord with AMP-4 plug, and detailed installation instructions

【High quality materials】: Spa ozone generator for hot tub is made of high-quality materials such as plastic, rubber, steel, and copper, ensuring durability and a longer service life

Universal Voltage Compatibility: Our HCD-55 Spa Ozone Kit is designed with a smart voltage sensing feature that automatically adjusts to either 120V or 240V power sources, making it a versatile choice for any hot tub or swim spa up to 1500 gallons.

High Output Ozone Generation: With a robust ozone output of 55 milligrams per hour, this spa ozone generator ensures a clean and refreshing spa experience, reducing the need for chemicals and promoting cost-effective maintenance.

Wide Application: Suitable for all hot tubs and swim spas, this high-quality ozone generator is the perfect replacement for all spa ozone brands and OEM generators, enhancing your spa's water quality with ease.

Complete Installation Kit: The HCD-55 Spa Ozone Kit comes with everything you need for a hassle-free setup, including a 6-foot tube, check valve, hose clamps, AMP-4 power cord, and detailed instructions.

Durable and Long-Lasting: Crafted from premium materials like plastic, rubber, steel, and copper, our spa ozone generator is built to last, ensuring durability and an extended service life for your home spa investment.

Universal Spa Ozone Generator Kit: This ozone generator kit is an ideal for pools, washing machines, hot tubs, water machine and surf tub, etc

High Output Ozone Generation: Provides a stable output of ozone up to 50mg/hour, ensuring effective sanitation and purification for spas, hot tubs, and cold plunge pools, achieving high concentration, high yield, high quality, efficiency, and cost-effectiveness

Universal Voltage Compatibility: Works seamlessly with both 110V and 240V power supplies, offering versatility for various electrical configurations in both home and commercial settings

Easy Installation and Maintenance: Plug and play, no complicated installation or operation required. Simply follow the sample diagram in the manual to turn on the power and use it

Durable and Reliable: Made of high-quality plastic, rubber, steel, and copper materials, providing consistent ozone output for extended periods

Package Includes: The spa ozonator kit includes 1x ozonator, 1x 5-ft tubing, 1x venturi injector, 1x check valve, 1x power cord, AMP-4P cords plug and 1x instruction manual

Applications:HCD-55 Spa Premium Ozone Generator is suitable for all hot tubs and swim spas up to 1500 gallons. 55mg/hour; Universal Voltage: Auto Sensing 120V/240V; Maximum capacity is 1500 gallons. Add the Turbo Mixer to boost ozone effectiveness up to 45%.

Material: HCD-55 Spa Ozone Generator Kit is made of high quality plastic, rubber, steel and copper materials to extend the service life.

Description:High Ozone Output: 55mg/hour; Universal Voltage: Auto Sensing 120V/240V; Maximum capacity is 1500 gallons.

Includes: 1* 6-foot tube, 1* check valve, 1* hose clamp, 1* power cord with AMP-4 prong connector, and 1* installation instructions.

Satisfaction Repairs: Order now, if you have any other questions about our Deecaray products, you can communicate with us at the first time, and we will provide you with a 30-day money-back guarantee and a 12-month repairs on quality-related issues. We are always ready to provide you with support and help, you can buy with confidence.

Item 72602

What's included: Newly designed and more compact Freshwater 3 High Output Ozone System w/ Direct Connect Power Cord, Injector, Ozone Resistant Tubing & Check Valve.

Installs in all 1995-forward Hot Spring, Tiger River and Limelight spa models

Installation time is about 45 minutes. Power Consumption: 8 watts, .21AMP.

Our Freshwater III CD Ozonator produces ozone differently than the typical ultraviolet style ozonators found today. Our corona discharge method of ozone generation will crank out a higher concentration (PPM) of ozone and that concentration level won't decrease over the years like the ultraviolet style ozonators. Easy to install, the new Freshwater III CD Ozonator's bubbles will give your spa water that "rain fresh" fragrance.

Universal Plug Type: The Aquatic 2 Spa Ozone Generator can be wired for 110v or 220v. Set up instructions are included in the user manual.

Venturi Injector: If you do not have the vacuum port in your spa provided by the spa manufacturer, then your Aquatic will need the correct size venturi injector to plumb into your spa.

Quick Installation: The Aquatic 2 is pre-assembled and ready to install. User manual, check valve, 5 feet of tubing, four hose ties and two screws and plastic anchor for mounting, all included in the package.

Don't settle for irritants! Designed to sterilize and purify water and helps with skin irritants, etc. Get back to the fun without all the hassles and pains that come with Hot Tubs/Spas.