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NIBCO Partner
2019 Innovations

Isolator E-X-P Logo

The Original Tankless
Water Heater Service Valves

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Isolator E-X-P Product
Lead Free Clean Brass Logo

Product Specs

  • Set of 2 Heavy Duty Forged Brass Ball Valves
  • Full Port Main Flow Channel
  • Large Drain Port Outlets
  • Color Coded Aluminum Handles
  • Uniquely Designed Lever/Wing Handle
  • Available With Your Choice of 3 Pressure Relief Valves
  • Available in FIP & SWT
  • Available in Sizes 3/4" – 1"


  • Compact Size
  • Easy Identification of Hot & Cold Valves
  • Quicker, Consistent Quality Installations
  • Fewer Leak Paths
  • Allows for Easy Cleaning & Flushing
  • Allows for Easy Diagnostic Testing
  • Guaranteed for Life
Isolator E-X-P Complete
Explore The Isolator E-X-P Series
Isolator E-X-P E1
Isolator E-X-P E2
Isolator E-X-P E3