Proportional Output Thermostat Model Comparison Table
| ETN-24-P/PD-FC-SUPER2 | ETC-24-PH-FC-SUPER | ETN24-PM2-3S | |
| Cool Ouput Type | Proportional (0-10V) | Proportional (0-10V) | 3 wire (Open/Common/Close) |
| Heat Output Type | Proportional (0-10V) | On/Off | 3 wire (Open/Common/Close) |
| Fan Speeds | 1, 2, or 3 | 3 | 3 |
| Oil/Gas Operation in Heat Mode | • | ||
| Change over Temp. input sensor for 2 pipe system |
• | ||
| Contact Input | • | ||
| External Temperature Sensor | • | • | • |
| IR Remote Control | • | • | |
| Ambient Temperature Display | • | • | • |
| Temperature Reading Offset | • | • | • |
| Temperature Set-Point Limits | • | • | |
| Auto fan (fan on demand) – Optional | • | • | • |
| Buttons Lock – Optional | • | • | |
| Temperature Scale | °F/°C | °F/°C | °C |
| Economy Mode | • | ||
| Daily Timer (Using Remote Control) | • | • |