SCULLY *21 3/4" - Greater Than 2,000 Gal. 2 in. Male x 2 in. Female Ventalarm® Signal 274

Scully Ventalarm® Signals are used with above and below ground tanks to stop costly spills and prevent ruptured tanks. When the whistle stops, the tank has been filled to its safe capacity level. No more spills, overflows or customer complaints. Features Used for above and below ground 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 Specifications Part: 00274 Model: *21 3/4" - Greater Than 2,000 Gal.  Type: Fill Signal Tank Opening: 2 in. Vent Pipe: 2 in.