Air duct heaters
An air duct heater can be installed into a round duct. It is designed to prevent defrosting mode and so create a slight negative pressure inside. An air duct heater shall be placed in a duct before the unit. Usually a heater of 300 W max. output is used which is absolutely sufficient for preheating.
| Code | Name | |
| 10871 | Electric air duct heater, 0.3 kW, DN125 | ![]() |
| 9214 | Electric air duct heater, 1.2 kW, DN125 | ![]() |
| 9215 | Hot-water air duct heater, 1.2kW, DN200 | ![]() |
| 7988 | Temperature sensor for 1.2 kW el. air duct heater
0-30°c, IP55 | ![]() |




