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Learning Center

  • Recharge FAQs
  • New Home with Existing Softener
  • How Does a Water Softener Affect pH?
  • Can I convert my RHS42 softener to have WiFi capability?
  • How High Should the Foam Float Sit?
  • How To Use a Powder Cleanser
  • What is My Warranty?
  • Can I Install a Softener or Filtration System Before My Pressure Tank?
  • Salt-free vs. Salt Water Softeners
  • What to Expect From Your New Water Softener
  • Why does my softened water feel slippery?
  • How do I find a servicer or installer?
  • 'E' Efficiency Setting
  • How Much Sodium or Potassium is in Softened Water?
  • How do I know if my softener is working?
  • Model and Serial Number
  • Preparing your Softener Before Vacation
  • Will a higher hardness setting give me softer water?
  • Registering Your Product
  • What is a Water Softener?
  • How Does a Water Softener Work?
  • How do I extend my softener's warranty?
  • How Rheem® Learning Technology Works
  • The Benefits of Rheem® Learning Technology
  • How to Test for Hard Water
  • Iron Level Programming
  • Winterize your Water Softener
  • Types of Iron
  • How do you know when it’s time to upgrade your water softener?
  • Common signs that your water softener is no longer working
  • Contact Us
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