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Digital Programmable Heating And Cooling FCU Thermostat SAS908PITThe Digital Programmable Heating And Cooling FCU Thermostat SAS908PIT modulating digital thermostats are designed to provideProportional-Integral (PI) modulating control in fan coil units, zoned commercial heating, Ventilating and various heating and cooling applications. This thermostat provides modulating analog 0-10V or 0-20mA control. Oth1