That's right! Norris Is providing a MASSIVE 4 YEAR WARRANTY! with Zexa 4 Year Warranty Deal! with your new selected Norris Machine! this is an industry first! sick of plates comming out of your Dish or Glasswasher dirty?, sick of scale causing breakdowns?, Sick of chemicals causing untold damage to your machine?. with the use of Zexa Chemicals all these problems are gone! our detergent is designed to descale your machine! while preventing anymore scale build up!, our Glass & Dish Detergent, & Dish Detergent are both pH neutral, non-caustic, non-hazardous! no more chemical burns from agressive corosive 8 grade detergents, and of course your plates and glasses will be the cleanest around!.