Used interface module

Johnson Controls ACC-500-1 Conversion MOdule for Use With T500 Thermostats [New]

• Manufacturer: Johnson

. . . . . When replacing an existing thermostat with a T600 Series thermostat, the ACC-500-1 Conversion Module adapts existing 4-wire thermostat wiring for use with a 5-wire T600 thermostat. The conversion module...