Venstar VST2300FS Prog Thermostat Refrigerant Using it with Natural Gas

Using it with Natural Gas will result in improper combustion and potential safety hazards

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This model is technically identical to the SEC99AA-60C

This unit serves as the direct replacement for Berko 3900-2011-000

Venstar VST2300FS Prog Thermostat Refrigerant Using it with Natural GasThe Venstar VST2300FS is a professional grade, 7 day programmable thermostat engineered for 2 heat and 2 cool stages. As the direct field replacement for the 33CS250 FS and P374 1000FM, this unit integrates seamlessly into existing footprints while providing upgraded logic for HVAC energy management. Designed for reliability in demanding environments, it features a backlit display for low light mechanical rooms and non volatile memory to retain