3-Digit DisplayLowest Cost 7SD Single Display 7SM Dual Display 7SH Heat/Cool |
4-Digit Display7SF Heat/Cool 7SC Analog Output 7SP Programmer 7SI Indicator 7SL FM Approved Limitrol |
3-Digit Display 7EM Heat/Cool |
4- Digit Display 7EF Vertical Control 7EH Horizontal Control 7EC Analog Output Control 7ES Actuator Control 7HI Horizontal Indicator 7HK Virtical Indicator 7HL Horizontal Hi Perf Indicator |