W

Temperature Sensors, Thermocouples, Thermistors, Resistance Temperature Detector (RTD) Sensors, Mercury Displacement Relays, and Electronic Controls for Controlling Temperature Pressure, Humidity, and Other Conditions

Electric Heating Units of All Types and Parts Therefor-Namely, Cartridge Heaters, Band Heaters, Cast-In Heaters, Strip Heaters, Ceramic Fiber Heaters, Immersion Heaters, Tubular Heaters, Drum Heaters, Flexible Heaters, Radiant Panels, Duct Heaters, Silicone Rubber Heaters, and Neoprene Rubber Heaters