The Department of Defense, specifically the Army Contracting Command - Warren, is seeking information from qualified vendors for the potential acquisition of the Army Water Heater 400 (NSN: 4520-01-566-6669, P/N: 111244). This Sources Sought Notice aims to identify capable manufacturers, both small and large businesses, to assist in the planning of this procurement. The Army Water Heater 400 is essential for military operations, and the government is gathering insights on vendors' capabilities, including their experience in manufacturing, delivery capabilities, and First Article Testing. Interested firms must submit their qualifications and relevant documentation to Deborah A. Hough at deborah.a.hough2.civ@army.mil within 30 days of the notice's posting, as this request is solely for planning purposes and does not guarantee a contract award.