A simple brass metal radiator valve key. A plumbers standard tool in their toolkit. Used to vent trapped air in a central heating system.
Turn this key at the end of a central heating radiator to let any trapped air escape. Thereby restoring or making the radiator hot again.
Size: 5261px × 4659px
Photo credit: © Hugh Threlfall / Alamy / Afripics
License: Royalty Free
Model Released: No
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