The 6005 Boiler & Water Heating Series is a versatile liquid immersion sensor assembly for temperature measurement of liquid in commercial water heaters and boiler systems. QTI is able to customize these assemblies with an NTC thermistor, RTD or thermocouple sensing element. Housing material and size can also be specified. QTI can customize these sensors in a variety of ways. Sensor resistance values and accuracy, as well as cable length and color are all able to be specified.