BILDAGENTUR-ONLINE / OHDE / SCIENCE PHOTO LIBRARY BILDAGENTUR-ONLINE / OHDE / SCIENCE PHOTO LIBRARY
Thermostatic radiator valve (TRV). TRVs adjust the temperature output from a radiator by sensing the air temperature around them and regulating the flow of the water through the radiator. They can be set to the required temperature by manually turning the dial.
Model release not required. Property release not available.