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Vent Pipe Fill Signal – Whistler®

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Update with this Signal that Retrofits into the Internal End of the Vent Pipe

  • Completely reliable and accurate
  • Economical unit installs with special tool into the vent pipe
  • Allows you to add a whistle into an existing tank
  • Stops costly spills and prevents ruptured tanks
  • Improves delivery efficiency
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Features & Benefits

An audible alarm installed in the vent of the tank to notify the fuel delivery operator to stop filling as the tank to avoid a spill

  • Calibrated whistle stems allow for product expansion
  • Whistle stem may be cut for flat-style tanks
  • Patented screen keeps whistle chamber free from pipe scale and bugs

Tech Specs

Ordering Information

Fill Signal Parts

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