Quote:
Originally Posted by EVERLAST
what type of humidifier? FLow through....drum or steam?
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Quote:
Originally Posted by ryangb
Most climates, there is enough humidity in the summer, so the summer setting cuts off the water supply to the humidifier. If you want more humidity, turn the setting to winter.
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From the sounds of his post, I would guess its a flow through type like this:

I have the same type and changing the flow dial from Winter to Summer only closes the circular vent and does nothing in regards to electrical or water flow. From my limited furnace knowledge, this stops flow of air from the hot side of the furnace to the ducting - bypassing the furnace filter....is this correct EVERLAST?
Would the summer setting close things off to the hot side of the furnace so when you use your circulation fan it doesn't back flow?