The Sensor Kit is a boxed set containing:
- n. 1 Full right-angle thermostatic valve 1/2" for steel pipe, with O-Ring
- n. 1 Full right-angle lockshield 1/2" for steel pipe, with O-Ring
- n. 1 Sensor thermostatic head

It is a high quality liquid expansion thermostatic radiator valve that can be pre-set to desired room temperature.
As the room temperature raises or lowers, so the valve closes or opens, either stopping the flow or releasing more hot water into the radiator.