We still install a float switch inside the drain line.
Flow switch on air handler ac unit in attic.
Rooms facing the sun are naturally warmer than other rooms in the house and finding a balance.
Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow.
This is the secondary condensation pan which is installed under the air handler to save a ceiling.
When the ac system is shut off it no longer dehumidifies or pulls moisture out of the air which means it isn t going to keep dumping water into a clogged drain line which would cause it to over flow.
It is more expensive than a float switch but it s worth it.
The switch can become dislodged if accidentally bumped.
Window air conditioning units often have a media filter that is simply a loosely woven mesh.
This is a horizontal flow air handler installed in the attic.
Locate the float switch and verify it is mounted in the drain pan.
Typically the switch is located on the same side as the air handler s access doors and is attached to the side of the pan.
The mesh fits inside a plastic housing on the inlet side of the unit to prevent dirt from collecting on the cooling coils.
Air is drawn through the mesh then passes through cold coils and is blown back into.
Install media filters in either direction.
There are many types of float switches some come with audible alarms some come with visual alarms but most just turn the ac system off which.
Adjusting the temperature in a house can be difficult.
If you ve ever seen a home damaged by a leaky air conditioner you ll likely agree.