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Thanks paul i was just trying to find out if i could use existing 24V circuit to run humidifier motor. i decided to take your previous advice and tie into the blower circuit and add a transformer. works great and thanks again

I have a humidifier with a rotating cage and float switch for water supply. 25 year old lennox. Nothing labeled. Can I use the white and red wire coming from house thermostat to control humidifier cage motor

Thanks Paul

Thanks Paul. I will try to find the motor hot line and wire in there

Thanks guys. Yes it does have rotating wheel. I understand how to wire in the transformer and humidistat but the furnace is a 25 year old with nothing marked and does not have an electronic board. I am unsure where to wire in this rotating wheel motor so it turns when the furnace is on.

Thanks kok i was planning on installing a humidistat but what i was wondering is if i can use the 24 volt wiring from the thermostat instead of installing another transformer. Nothing is marked in the furnace but i can see the thermostat wiring. I am trying to just have the humidifier motor...

i installed a humidifier on my furnace the water supply has a float switch humidifier has a motor for a water pad and the i would like the 24volt motor to just run when the furnace is on. can i hook this motor to the wires coming from the house thermostat