Cyclopedia of heating, plumbing and sanitation; a complete reference work . Fin. 101. Radiator Valve forHot-Water Work. 119 no HEATING AND VENTILATION chamber, which allows the air to escape. As the water flows in to takeits place, the floal is forced upward and the valve is closed. All radiators which arc supplied by risers from In-low, should beprovided with air-valves placed in the topof the last section at the return end. Ifthey arc supplied by drops from an over-.

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