Many times we are asked "what is the best ozone system for our HotSpring Spa? If you notice, we list two ozonator options for HotSpring Spas in our estore: 1) the Watkins PN 72602 FreshWater III; and 2) the KZO Technologies CoronaZone. Below is a lttle bit of our opinions on each system.


The FreshWater III is the Watkins factory OEM and replacement ozone system for all HotSpring and Watkins-made spas.

The Benefits:

  • Factory Ozone
  • Reliable
  • Quiet

The Challenges:

  • 1 year factory warranty
  • Small ozone generator (about 1.5")
  • Check Valve on the outlet and is in contact with ozone and nitric acid

 

The CoronaZone is designed and manufactured by HotSpring Dealers and sold primarily to HotSpring Dealers

 

The Benefits:

  • 2-Year Warranty (can also be rebuilt after warranty at fraction of the cost of a new complete unit)
  • Reliable
  • Large ozone generator (7"), increases life and ozone generating area
  • Check Valve on inlet -- never is in contact with ozone and nitric acid, increasing its life
  • Adjustable inlet air flow - can adjust the ozone bubbles and eliminates "burp"

The Challenges:

  • Non-factory
  • Because the generator is larger has more of a hiss to unit (though cannot be heard with spa equipment door secured).


Prescott Spas keeps both these units in stock.