Since the 1960s, GF Piping Systems' Measurement and Control, originally known as Signet, has been designing, developing, and manufacturing products in-house. Based in Irwindale, CA, our comprehensive product portfolio includes a variety of sensors and instruments for water and chemical applications. We specialize in pH/ORP, conductivity/resistivity, flow, dissolved oxygen (DO), chlorine, and transmitters. Most sensors with associated fittings are available in plastic and are compatible with GF Piping Systems valves, pipes, and fittings. Our Measurement and Control products are used in a variety of water and wastewater treatment applications, supporting global companies with high-performance components.