Webstone Expansion Tank Isolator

Easily install, isolate, drain and replace any expansion tank and quickly connect an entire system to the cold water feed. The 3-way ball allows flow to pass between the expansion tank and the system, or isolates the system and allows for the expansion tank to be drained.

  • Replaces 7 components
  • Eliminates 6 leak paths
  • Saves 54 minutes of labor
  • Saves space
  • Guaranteed for life



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