Apollo Block I Water Control Panel, manufactured by AiResearch, measuring approximately 8.75 x 8.25 x 7.5, designed to manage water (both potable and waste) in the Command Module. Panel features shutoff levers for "Waste Tank Servicing," "Potable Tank," and "Waste Water S/M Supply." Below rotary switch for "Overboard Pressure Relief" are inspection stamps and an affixed label: "H2O Cont Panel, Part. 848050-2-1, NASA 0094103," with mechanical parts on back also bearing affixed AiResearch labels. In fine condition. Water management on the CM consists of collecting and storing potable water, delivering chilled and heated water to the crew for consumption and hygienic purposes, and for the collection and storage of waste water and its eventual delivery to the glycol evaporators for cooling. Potable water flows from the control panel to the potable water tank, the food preparation water unit, and the water chiller.
Terms and abbreviations used in our descriptions.