Used in operating condition when last removed during winterizing of local waterpark. Will require fresh electrolyte and membrane kit. Have total of 5 sensors all were operational when last used in local Waterpark back in 2018. Been sitting on shelf in storage since.

Only used 1 season. From june til sept.

Online retail for over $2k per unit.  Being they were used for a couple months and will require new electrolyte and membrane kits, willing to sell for $1k per sensor. Buyer is responsible for locating and purchasing electrolyte and membrane kits as needed.  Again these were fully functional at local waterpark before being removed by the seller and placed on shelf in storage. Seller has a total of 5 sensors.