Whistler® Fill Signal is a totally trustworthy and precise fill signal that enables you to add a whistle to an existing tank, eliminates expensive spills, and stops ruptured tanks.
| Part # | Description | Model # |
|---|---|---|
| 00401 | 1″ Vent Pipe | WL 170 |
| 00402 | 1-1/4″ Vent Pipe | WL 100 |
| 00403 | 1-1/2″ Vent Pipe | WL 101 |
| 00404 | 2″ Vent Pipe | WL 102 |
| 00412 | Installation Tool | WL 140 |