The e4 Smart Digital thermostat model e528 is a Direct Digital Control (DDC) processor capable of controlling virtually any fan coil unit, heat pump or packaged terminal air conditioner found
in rooms. it includes an easy to read illuminated liquid
crystal display and five built-in relays.
E528 Thermostat
Description
The e4 Smart Digital thermostat model e528 is a Direct Digital Control (DDC) processor capable of controlling virtually any fan coil unit, heat pump or packaged terminal air conditioner found
in rooms. it includes an easy to read illuminated liquid
crystal display and five built-in relays.
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