RKIN Manuals & User Guides

RKIN is a manufacturer of high-quality water filtration systems designed to improve the purity and taste of drinking water for households. The company offers a range of products, including zero-installation countertop reverse osmosis systems and under-sink filtration units.

RKIN distinguishes itself with advanced features like hydrogen enrichment, instant heating and cooling, and user-friendly interfaces. Their products, such as the U1 Hydrogen-Rich Water System and the Flash AlcaPure Edition, focus on delivering alkaline and contaminant-free water with modern, compact designs suitable for various living spaces.

• How do I reset the filter life indicator on my RKIN U1?

  Press and hold the 'Reset' button for 3 seconds, select the specific filter element, and then press and hold 'Reset' again for 3 seconds to complete the reset.

• What should I do before using my RKIN RO system for the first time?

  Perform a rinse cycle to flush the system. For the U1 model, fill the tank, press and hold the 'Rinse' button for 3 seconds, and repeat the process three times.

• What type of water should be used with RKIN countertop systems?

  Use municipal or pre-treated well water. Do not use water that is microbiologically unsafe or of unknown quality without adequate disinfection.

• Does RKIN offer a warranty on their water systems?

  Yes, RKIN provides warranties for their systems, including a Premium Lifetime Warranty on specific whole house systems and standard warranties for countertop units.