With this restriction the water will push back into the coil and eventually spill onto the floor.
Water on floor around furnace in summer.
Another reason for your furnace leaking water is a break or clog in the humidifier.
The drain is clogged.
A clogged condensation drain usually requires a professional to service it.
It s not furnace season so it shouldn t be the furnace that s leaking all the water.
When these pipes either get clogged or break you ll get leaking condensation around the base of the furnace.
Again the most common reason for a leaking furnace is a condensation leak.
Water on floor around furnace found slim filled condensate pump i was able to clean out and get working again blow out condensate tubing going out side and.
In summer air conditioning units that share an internal drain with a furnace can lead to water under the furnace.
Condensation from air conditioning coils contains bacteria that can form slime and clog the condensate pan drain tube.
A clogged drain is probably the most common reason why your furnace appears to be leaking in the summer months.
Is your furnace leaking water when the ac is on.
Common causes for water leaking around your furnace pvc drain line plugged as systems age dust and dirt can collect on the evaporator coil falling into and eventually plugging up the drain line.
The condensation is routed to a floor drain.
When you see water puddling around the furnace with the a c running you have a clogged condensate drain tube.
Once the water starts to collect and pool up there s a potential for water damage.
Clear the floor drain of dirt debris and obstructions regularly to help reduce backups and flooding.
You can prevent slime and eliminate drain tube clogs in two easy steps.
High efficiency furnaces extract heat from the combustion gases for a longer period of time than a standard efficiency furnace does causing the gases to cool then condense.
Most of the time this is through a floor drain.
Pipes may be improperly insulated or taped.
However if this tube becomes clogged or if the drain on your floor becomes it can cause water to backup and leak out of the furnace.
The floor drain may be clogged.
Internal drain units clog easily causing moisture generated by air conditioner condensers to build up and leak from the furnace itself.
It may be something as simple as a clog in the drain around your furnace where condensation is drained away.
Here are a few of the reasons why you may see water under your furnace in the summer months.