Schneider Electric (Barber Colman) 21-933-1 Cover
Gray cover with oF and oC marking for setpoints and thermostat
21-933-1 is the updated version for 21-933, 21-934, 21-939, 21-964, 22-823, 22-833, 22-923, 22-933, 22-939, 2890-010, 2890-011, C3-26, C3-42, C3-X62, C4-47, CT-12, CT-21, CT-921, CTR-921
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