"Etc" Electronic Temperature Control Etc Used In Many Commercial Refrigeration Applications Wide Temperature Range, One And Two Stage Capability Selectable Heating/Cooling Modes And Multi-Voltage Input Etc Is Designed To Provide Application Flexibility Models Available Include 120/208/240 VAC, As Well As Single Stage And Two Stage. Wide Temperature Range (-30°F To 220°F) Wide Different Adjustment (1°F To 30°F) Etc-111000-000 120/208/240 VAC Stage One # 46-1427 Etc-112000-000 24 VAC Stage One # 46-1428 Etc-141000-000 120/208/240 VAC Stage One #46-1430*(Nema 4) Etc-211000-000 120/208/240 VAC Stage Two # 46-1579 Etc-212000-000 24 VAC Stage Two 46-1422 Walk-In And Reach-In Refrigerators, Milk Coolers, Displays.