Krueger Sentry Gauge OFS3-2-9 Type OFS3 2” Opening Overfill Alert Gauge is used for 9” Depth Tank. The Overfill Alert Gauge is a high-level visual gauge designed to visually alert you that your AST (tank) is nearly full. This overfill monitor’s simple pop-up mechanical design promotes easy installs, maximum durability, and low up front costs.

Features

• Aluminum Lock nut
• Stainless Steel Float
• Stainless Steel Rods
• Solid Glass Calibration
• Stainless Steel Bushing
• Available in 2” NPT opening
• Designed to alert when tank is about 90% full
• Multiple material options and accessories available
• Length is the point at which you want the level of the tank to read the overfill
• When ordering specify your size opening and exact tank depth—every gauge is made custom to fit your tank.