Replacing IQ21x with the new IQ41x

Trend’s newly developed IQ411 and IQ412 provide the ideal upgrade solution for those looking to replace their aging IQ211/212 and IQ70 series building services controllers. Every effort has been made to ensure that replacing these older controllers with the IQ411/412 models can be accomplished very quickly and easily. No re-wiring is necessary and swapping an old controller for a new one takes just a few minutes. Disruption, downtime and installation costs are therefore minimised.
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