Cold Plunge

Pro: Setup & Support

7 min read UK Support Team

Pro: Setup & Support

Everything you need to set up, maintain and get the most from your Thermox Pro.

In the box

Thermox Pro acrylic tub (1700 x 750 x 580mm)
Chiller unit (60 x 40 x 47.5cm, 45kg)
Connection hose set
Dual-stage filter + ozone unit
Power cable
Quick-start guide

Setup guide

Step 1: Choose your location

Place the tub on a flat, solid surface. The Pro holds 700L of water so filled weight exceeds 750kg. Ensure the chiller has 30cm+ clearance on all sides. The unit can be used indoors or in a sheltered outdoor space.

Step 2: Connect the hoses

Attach the inlet and outlet hoses to the corresponding labelled ports on the tub and chiller. Ensure the ozone module inline connector is seated before the inlet port. Hand-tighten all connections and check for leaks before filling.

Step 3: Fill the tub

Fill with cold tap water to the marked fill line. The Pro holds 700L. Use a garden hose for convenience. Do not exceed the maximum fill level.

Step 4: Power on and set temperature

Plug the chiller into a 13A UK socket. Power on and use the digital control panel to set your target temperature. The Pro cools from 3°C to 40°C and heats to 40°C. Recommended cold plunge temperature: 10 to 15°C for beginners, 3 to 5°C for advanced.

Step 5: First plunge

From ambient (20°C), allow 6 to 8 hours to reach cold plunge temperature. The ozone system will activate automatically during circulation to keep the water clean.

Specifications

Tub dimensions: 1700 x 750 x 580mm
Tub material: Acrylic
Water capacity: 700L
Temperature range: 3°C to 40°C
Motor: 1HP
Power: 1.19kW
Filtration: Dual-stage 20 micron + Ozone disinfection
Waterproof rating: IPX5
Chiller dimensions: 60 x 40 x 47.5cm

Water maintenance

The Pro's built-in ozone system significantly extends water life. Change water every 6 to 8 weeks under regular use. Rinse the filter fortnightly and replace every 3 months. Check water clarity weekly. Ozone keeps bacteria low but doesn't replace a periodic water change.

See the Water Maintenance guide for full dosing and care instructions.

Troubleshooting

Temperature not reaching target

In ambient temperatures above 30°C, cooling performance may be reduced. Ensure the chiller is well-ventilated. Check hose connections are secure and ozone module is connected.

Ozone unit not activating

Check the inline ozone connector is fully seated. The ozone unit runs on a timer. It activates during circulation cycles, not continuously. If it has not activated after 24 hours, contact support.

Water has a slight ozone smell

This is normal and indicates the ozone system is working correctly. The smell dissipates quickly when the lid is removed before plunging.

Digital display showing error code

Note the error code and contact our team via WhatsApp. Common codes: E1 = water flow obstruction (check hoses), E3 = ambient temperature too high (improve ventilation).