Water spitting out of pump vent pipe
Water spits directly out of the top of the white PVC vent pipe and secondary drain line every single time the pump runs. This continuous spilling or dripping is tied to the unit's operation, stopping immediately when the fan is turned off.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Checking where the line ties into the main drain
- 2Inspecting for gunk or a stuck check valve
- 3Clearing the primary line with compressed air and a shop vacuum
- 4Applying epoxy, concrete, or sealant around the pipe exit
- 5Using foam or JB Weld products to patch gaps
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“Everytime my pump runs water spits out of the white pvc from the top.”source ↗
“Small bit of water comes through here during moderate to severe rainfall, the sump works.”source ↗
“if its already not got any gap like it looks like and its still leaking sounds more like maybe that elbow has got cracked or something”source ↗
“I guess I'll try that first before diving in further, I'll wait til it dries then hit it with fome jb weld stuff and see how it goes.”source ↗
Where this came up
People with this problem also raised
- 3Why does my HVAC condensate pump sound like a jet engine?
- 3Why is there water on the floor around my new water heater?
- 3Water leak from screw after flushing water heater
- 3HVAC condensate pump overflowing onto the floor
- 2Why is cold air blowing out of my AC drain line?
- 3Why is water dripping from my furnace when AC is on?