Brand new and in stock, direct replacement for honeywell st9400c / 6400c, same backplate, no wiring required. made by honeywell / resideo but half the price of the st9400c! The Center Programmer 5/2 is a direct replacement for the Honeywell ST9400C and ST6400 thermostats, offering the same wiring compatibility. This programmable thermostat features a 7-day schedule, digital control, and operates on 230V line voltage. The rectangular-shaped thermostat is made of white plastic, making it a sleek and efficient addition to any heating, cooling, or air system.
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