Hot Spring Spas 73831 High Output Monarch Ozone System

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Hot Spring Spas 73831 High Output Monarch Ozone System
Hot Spring Spas 73831 High Output Monarch Ozone System

Freshwater Ozonator unit for Hot Springs, Tiger River, and Limelight 1997-current spa models.

Ozonators enhance the quality of the spa water when it is used to supplement the spa owner's regular water maintenance program.

The FreshWater III ozonator is mounted within the spa equipment compartment, and plugged directly into the control box. The control box contains a special ozone receptacle designed to power the ozonator.

How Ozone Works:

Ozone is produced from the "free" air surrounding the Ozone Purification System, by exposing the oxygen (contained in air) to a special encapsulated corona discharge, which is located inside the cabinet. Air movement through the corona discharge chamber (CD chamber) is produced via a specially designed ozone injector installed in the heater/filter line. As water passes through the injector, a vacuum is created within the ozone supply hose. This vacuum draws air from outside the Ozone Purification System, to the inside of the unit where the ozone is produced. Next, the ozone travels down the supply tubing, through the injector, and into the spa water. Ozone and chlorine are used to kill bacteria, destroy harmful microorganisms, neutralize viruses and oxidize water impurities, keeping your spa water pure, fresh and appealing.

NOTE: Ozonators cannot replace a regular daily sanitation program.

  • 8 Watt / .21Amp
  1. Disconnect power from the spa.
  2. Access the equipment compartment.
  3. Unplug the ozonator from the control box.
    CAUTION: If a liquid is present, carefully remove the tubing making sure not to let liquid contact skin. Liquid could be nitric acid, which may burn skin.
  4. Disconnect the tubing from the bottom of the ozonator.
  5. Remove the ozonator mounting screws.
  6. Remove the ozonator from the spa.
  7. To reinstall the ozonator, reverse steps 1 to 7.

Item Description Part #
1 Freshwater Iii (ozone), Unit Only 73831
2 Hose Barb 1318101
3 Ozone Tubing 72228
4 Ozone Check Valve 1044101
5 Ozone Tubing 72228
6 Kit, Ozone Inj, Black, W/Clamp 74078
7 Kit Flow Restrictor 72699
8 Freshwater Iii (ozone), Complete Assembly 72602


Item Description Part #
1 Freshwater III (Complete Assy) 72602
1A Freshwater III (Complete Assy) 72606
1B Freshwater III (Unit Only) 73831
2 Tubing Ozone 72228
3 Injector Black 74078
3A Injector Red 74077
4 Ozone Check Valve 1044101
5 Kit Flow Restrictor 72699
6 Barb Hose 1318101
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