Rinnai Joiner Cable To Connect Multiple MSB-M Control Units REU-MSB-C2


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The REU-MSB-C cable is used when connecting multiple REU-MSB-M Manifold Control Units.


  • For use with REU-MSB-M Controller Kit
  • Connect Up to 5 Banks of Water Heaters
  • For use with Rinnai Tankless Water Heaters EXCEPT Models RV53e and RV53i
  • Professional Installation Recommended
  • Includes:

G³(1) MSB B - 13.1 ft. to Connect the Two Controller Units