Analog Units for regulation of single fans
| Model 50 | 120V or 240V. Range 35/95 deg F, Idle adjustment (20/75% of line voltage) |
| Model 51E | 96/264V. Range 35/95 deg F, Idle adjustment (20/75% of line voltage). Heater auto on, Digital display, Fan stop, Kick start, Moisture proof housing |
| Model 55 | 96/264V. Range 35/95 deg F, Idle adjustment (25/85% of line voltage). Kick start, Moisture proof housing |
Manual regulation of single fans
| Model 66-5 | 96/264V Manual control, Idle adjustment ( 25/98% of line voltage). Kick start, Moisture proof housing |
Digital, programmable units for regulation of multi-fans and outputs
| MP60-2 | 1 variable and 1 on/off
outputs Range 32-99 deg F, Idle adjustment (12/100% lv), Heater auto-on, Fan auto on, Digital display, Fan stop, Kick start , Lo/hi alarm, Duty-cycle timer |
| MP60-3 | 2 variable and 1 on/off
outputs Range 32-99 deg F, Idle adjustment (12/100% lv), Heater auto-on, Fan auto on, Digital display, Fan stop, Kick start , Lo/hi alarm, Duty-cycle timer |
| MP60-5 | 2 variable and 3 on/off
outputs Range 32-99 deg F, Idle adjustment (12/100% lv), Heater auto-on, Fan auto on, Digital display, Fan stop, Kick start , Lo/hi alarm, Duty-cycle timer |