Wooden pellets and thermostatic valve on the wooden background.

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Size: 4480px × 6720px
Photo credit: © Jiri Hera / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alternative, bio, biofuel, biological, biomass, brown, burn, closeup, compressed, control, cylinder, eco, ecologic, ecological, ecology, economy, energy, environment, environmental, fire, firewood, flat, fuel, granule, heap, heat, heater, heating, lay, nature, overhead, particle, pellet, pile, pine, power, radiator, renewable, temperature, thermal, thermostat, thermostatic, top, valve, view, warm, winter, wood, wooden