SOURCE: Aprilaire 760 Humidifier water continues to run
You need to determine whether the problem is in the solenoid or in the furnace electronics. You could put a voltmeter on the solenoid connection to see if the furnace is still holding the solenoid open after the blower stops. This will tell you whether it is the solenoid or not.
SOURCE: Water flow from humidifier never stops. Even when furnace is off.
No, it will not stop flowwing if it is the water supply. A solenoid valve opens the flow everytime there is a call for humidity, but it stops at the humidifier when there is no call, so it will leak from that point until it is fixed or tightened.
SOURCE: I have a carrier furnace, humidifier valve popped fuse
hook up the new transformer to the white (common) from the blower motor, and the lead from the blower motor hooked up to the heat term on the board. (just cut the wires and wire nut all three together)
SOURCE: aprilaire 600 humidier: water continuously runs
sounds like you may have it wired to a continuous power source vs one that shuts off with the furnace. The most common wiring is red to C & white to W
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