If water isn’t trickling from the vent hole, they will unplug the pump and clear the blockage to open the vent. Your plumber will look directly above the level of the pump for a small vent hole between 3/16-inch and 3/8-inch in diameter. The cover helps maintain pressure in the basin, keeps debris and pests out of the ejector basin, and reduces odors near the ejector pump. The ejector pit should be sealed with a removable cover. The ejector-pump vent also equalizes pressure in the basin to keep the drainage water flowing in the right direction. If the vent becomes clogged with debris from either end, gasses won’t escape the system and your home may develop an odor. The drain lines are too large or too small.Įjector pumps require a vent that runs from the ejector pit to a separate or main-stack plumbing vent.The float valve or sensors are set incorrectly.There’s no check valve on drainage lines.The ejector pump is not powerful enough.The sump basin is too large or too small. When the ejector pump works properly, the device pumps water out of a drainage basin (called an ejector pit or sump basin) until the basin is almost empty, then turns off until the drainage basin fills again with wastewater. Your sewage ejector pump is designed to lift wastewater up to the level of your main sewer drain. Here are three ways to keep your ejector pump working properly this spring. Pumps can cause problems including home flooding. Do you have basement or first-floor plumbing fixtures that are located below the street sewer drains? If so, it’s likely that you have an ejector pump on the lower level of your residence.
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