![](http://www.alamy.com/thumbs/6/76E54090-98B0-4365-B768-D6D98FC5283A/2KF7GMB.jpg)
Wooden pellets and thermostatic valve on the wooden background.
Size: 4480px × 6720px
Photo credit: © Jiri Hera / Alamy / Afripics
License: Royalty Free
Model Released: No
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