The SC-Z20 is a commercial zone control system that allows a single HVAC unit to have up to 20 individual zones. Each zone is controlled by its own space thermostat and a modulating zone damper or diffuser. The SC-Z20 works with single-stage, multi-stage, or heat pump systems and has an auxiliary heat control option for each zone. The SC-Z20 is an affordable alternative to higher cost VAV systems and there is no programming required.
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