IR33B9MR20 Carel | Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm 2 (Analogue), 2 (Digital) Input, 2 Output Analogue, | 121-4226 | RS Components
IR33V9HR20 Carel | Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm, 1 Output Relay, 115 → 230 V ac Supply Voltage | 783-4715 | RS Components
![HOW TO FIX RE AND EO ALARM OF CAREL IR33 DIGITAL THERMOSTAT OF COMMERCIAL REFRIGERATORS (ENG/TAG) - YouTube HOW TO FIX RE AND EO ALARM OF CAREL IR33 DIGITAL THERMOSTAT OF COMMERCIAL REFRIGERATORS (ENG/TAG) - YouTube](https://i.ytimg.com/vi/xL5XHqW6vXY/hqdefault.jpg)