Have drain pan shutoff switch installed and equip it with a float.
Plenum boxin attic leaking water.
If any type of breakage occurs or they get clogged water will start dripping around the furnace.
A clogged condensate drain line can occur for a few reasons but especially if your air conditioning system is installed in the attic or on an upper level in your home.
The bottom of the trap is the most common source of a clog and it can be cleaned out with a long flexible cleaning brush and flushing water down the cleanout cap.
And if your unit is in an attic or a finished basement this can cause terrible damage.
Any leaking or pooling water around an indoor ac unit should be attended to right away.
Ensure ac unit is installed with a safety pan to catch overflow.
These devices are hooked up to your plumbing system in order to add moisture to the air.
As soon as you discover a leak be sure to turn off your air conditioner.
If the sheet metal is ruptured it has to be placed back together and reinforced.
Another reason for your furnace leaking water is a break or clog in the humidifier.
If it is just leaking a brush on mastic sealant works well.
It is code in many states to have a secondary drain pan and secondary drain pan safety switch installed on all attic air handlers and furnaces.
Keep in mind it doesn t take much dirt to clog a drain.
On this service call the customer complained that water was leaking out of the air conditioner duct in the attic on to the upstairs ceiling.
Ensure that the central ac system is installed using a secondary drain line more so if the unit is in the attic.
The following tips can be used for reducing the chances of water damages.
Sometimes when systems are installed in these areas problems with the condensate drain can cause water to overflow from the drip pan and into the air ducts or air vents.
The secondary drain pan safety switch cuts off the air conditioner if the water level gets too high in the secondary drain pan so it does not cause water damage to your home.