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Your cart is empty.The GFX4 is a digital, automatic whole house humidifier control that controls the furnace blower motor. Keep humidity levels more constant with the GFX4.
Jim Napiorkowski
Reviewed in the United States on February 15, 2022
This is to control my new Steam Humidifier, it is working great. does not allow steam to settle in ducts by keeping the furnace blower to run for a period after steam generator shuts down.
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