Vent Hole Sump Pump Discharge Pipe

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.

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. Watch later this video details why you should drill a horizontal vent hole or weeping hole into the discharge pipe of your sump pump. As long as your property has a downward slope from the point of discharge to the end of the pipe location it can be any length that you want subject to engineering requirements for size and drain capacities etc. Again in our area freezing becomes a big consideration.

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. The hole is 3 16 not 1 8 and it is supposed to be drilled within 6 of the discharge port of the pump. Your weep hole should be drilled between the discharge and check valve. Vent for sump pump discharge.

Use pvc cement to secure the valve in place with a watertight seal. 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. I have done this and no water escapes. How long can a sump pump discharge pipe be.

Secure a short section of pvc pipe to the discharge port of the sump pump. Measure your pump and vent system. 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. Drill a hole in your basin.

Start at the vent and run pvc pipe to the pump pit accounting for curves bends and interior walls. The vent hole allows excess air to escape from the pipe preventing air bounding. Make sure to disconnect your pump from the lines and place it in a place that is easy to drill. This piece of pipe should extend up and out of the sump pit.

On the upper end of this install a check valve. Step by step vent guide.