Description
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
- 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