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Description

The Johnson Controls P1727200/106 (P1727 Series) is a direct/reverse-acting pneumatic room thermostat conversion kit engineered for commercial HVAC control systems. It provides reliable proportional temperature regulation for air handling units, terminal boxes, and heating/cooling valves using standard pneumatic control air. Designed as a direct field-replacement solution, the assembly comes complete with mounting hardware and trim plates to accommodate legacy pneumatic retrofits. Its mechanical diaphragm and bimetallic sensing components deliver dependable operational stability without requi