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THERMOSTAT CONTROL: SZ1033 365-DAY HEAT PUMP PROGRAMMABLE THERMOSTAT CONTROL OF FAN AND 2 AUX. HEAT AND 2 STAGES COMP CONTROL OF REVERSING VALVE
THERMOSTAT CONTROL: SZ1033 365-DAY HEAT PUMP PROGRAMMABLE THERMOSTAT CONTROL OF FAN AND 2 AUX. HEAT AND 2 STAGES COMP CONTROL OF REVERSING VALVE