in an large building, there is an collector heating with an butterfly valve

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Size: 5447px × 3632px
Photo credit: © Marcel Derweduwen / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aluminum, building, central, circle, climate, collector, comfort, construct, construction, control, energy, heater, heating, home, hot, house, indoor, industrial, industry, insulation, interior, material, pattern, pipe, pipeline, place, plastic, plumber, power, professional, room, supply, system, temperature, tube, warm, water, work