I am not sure about FL but switches to cut off the system when the condensate line is clogged (via a float and switch) have been code in GA for at least 15 years.
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Originally Posted by PaulDenise
I just looked at mine. It is a 2 year old system in a 2 year old house.
My furnace has a specific place to screw it in. It is inline with the condensation drain, but the nipple is actually on the furnace.
The wires from it go up and onto the circuitry on the top of the inside of the furnace.
So, if you have an older furnace that does not already have one of these, you will have to do both plumbing with the drain line and electrical work with the wiring diagram of the circuit board.
In short, call Munn's or another HVAC place and have them do it right (probably using their own parts).
Are you absolutely certain that you do not have one already, hidden someplace on the furnace or on the drain pipe?? It would be two wires attached to something down by the drain pipe.
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