Vent Hole Sump Pump Discharge Pipe

Watch later this video details why you should drill a horizontal vent hole or weeping hole into the discharge pipe of your sump pump.

Vent hole sump pump discharge pipe.

It s to prevent air lock when the pump can overpump the pit leaving air in the impeller chamber before leading to the next cycle. On the upper end of this install a check valve. Measure the trajectory your sump pump vent pipe will follow by beginning at a spot on the top of the sealed pump cover and creating the fewest angles possible to reach your home s vent system. This piece of pipe should extend up and out of the sump pit.

This valve will allow water to pass out of the sump pit but will prevent it from flowing back when the pump is turned off. Your weep hole should be drilled between the discharge and check valve. Often it s best to run the vent pipe directly upwards to the underneath side of the main floor and then run it between joists to reach the vent system. I have done this and no water escapes.

Vent for sump pump discharge. The vent hole allows excess air to escape from the pipe preventing air bounding. The hole is 3 16 not 1 8 and it is supposed to be drilled within 6 of the discharge port of the pump. Drill a hole in your basin.

You could also place a t y in the line and reduce the top leg to 1 2 and extend a pipe up a foot that would vent the line. Measure your pump and vent system. Secure a short section of pvc pipe to the discharge port of the sump pump. Again in our area freezing becomes a big consideration.

Start at the vent and run pvc pipe to the pump pit accounting for curves bends and interior walls. Get your tools parts and pvc pipe. Joe pa you could drill a small hole 1 8 to 3 16 at the top of the elbow that turns to the ground outside of the house this will give you an air vent. How long can a sump pump discharge pipe be.

Make sure to disconnect your pump from the lines and place it in a place that is easy to drill. Step by step vent guide.