130 STEPS TO PEACE OF MIND. At Master Spas, reliability means leaving nothing to chance. That's why we insist on an industry-leading 130-step inspection process for every spa we build. In addition, our state-of-the-art production facility features the very latest in computerized quality control technology. This system exhaustively tests each electrical component to ensure that your spa performs to our exact specifications. In fact, you'll receive a "birth certificate" showing that your spa passed the tests the flying controls.

Smart sensor technology

  • Sensors monitor each other via software to regulate spa functions (water flow, temperature)


  • Assures a proper operating environment for the heating element


  • Multiple high-limit safety systems


  • All safety functions are always active


  • Eliminates excessive cycling


  • Detects flow restrictions such as a dirty filter


  • Minimizes calcium buildup on the element


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