Sierra Instruments is offering a two-year warranty for its entire line of Innova-Switch Flow Level Switches beginning July 1, 2010. A solid performer in the market for decades, the Innova-Switch is easy to install and adjust, giving reliable, low-maintenance performance in the most demanding applications. It features a wide operating temperature range of -100°F to 850°F (-70°C to 458°C) and a range of 0.01 to 5 ft per second (fps) in liquids and 0.1 to 500 fps in gases.