28.7 MB (611.9 KB compressed)
2592 x 3872 pixels
21.8 x 32.8 cm ⏐ 8.6 x 12.9 in (300dpi)
STEVE HORRELL / SCIENCE PHOTO LIBRARY STEVE HORRELL / SCIENCE PHOTO LIBRARY
Thermostatic radiator valve (TRV) on a domestic radiator. 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.
Model release not required. Property release not required.