IP67 Rated CH Pipe-Clip Temperature Sensors – ATC Semitec 103FT-7Y045, These 20-22mm CH pipe-clip temperature sensors from ATC Semitec can respond to temperature changes in less than 1 second when secured to the relevant diameter pipe in hot or cold water systems. These IP67-rated sensors give electrical security and long-term reliability when used in situations where condensation problems can occur. ATC Semitec 103FT-7Y045 20-22mm IP67 Rated Pipe-Clip Temperature Sensor