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NIBCO Partner
AHR 2022
Plumbing Museum

Isolator E-X-P E3 Logo

Compact Version of
our Original Isolator E-X-P

With an Adjustable
Pressure Relief Valve Outlet

Installation Instructions Button
Isolator E-X-P E3 Product

Product Specs

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


  • Compact Size
  • Perfect Fit for Recessed Boxes
  • Easy Identification of Hot & Cold Valves
  • Quicker, Consistent Quality Installations
  • Fewer Leak Paths
  • Allows for Easy Cleaning, Flushing, & Diagnostic Testing
View Product Details
Connection Types
E-X-P E3 w/ Relocated Pressure Relief Valve (Lead-Free)
FIP Union × FIP, Press, Sweat
E-X-P E3 - for Domestic Hot Water Connections (Lead Free)
FIP Union × FIP, Press, Sweat
Explore E-X-P Series
E-X-P Original
E-X-P E2
E-X-P E3
E-X-P Union Ball
E-X-P Ultra-Compact
E-X-P Combi
E-X-P Accessories