#E1 SEWAGE EJECTOR SYSTEM CODE#

The basics of maintaining an ejection pit include verifying that the lid is air-tight, that the check valve is working properly, the impeller spins freely, the float switch is operating correctly, and that the seals are all good. What Are The Basics of Maintaining An Ejector Pump? A sump pump only deals with stormwater that seeps around the foundation of the house. The pump is needed to send the waste upwards to the main house drain line. How Are Sump Pumps Different Than Sewage Ejector Pumps?Ī sewage ejection pump deals with waste from toilets and sinks that are below the level of the house waste line. This means that it can't flow naturally through gravity alone and needs help from a pump. The main reason for ejector pits is that the toilet or bathroom is located below the main sewer line. Read Also > What Are The Essential Gas Shutoff Valve Codes? Frequently Asked Questions What Is The Purpose of an Ejector Pit? If the ejection pump is 46 gallons GPM or more, then the pipe should be at least 3-inches or more. If the ejector pump has a capacity of 30 gallons per minute or more, then the discharge pipe should be at least 2-1/2 inches.

#E1 SEWAGE EJECTOR SYSTEM CODE#

Code 7 - Sewage Ejector Pump Pipe Size (Higher GPM)Įven though the minimum discharge pipe size is 2-inches for ejector pumps, the pipe needs to be larger for higher capacity pumps. The wye fitting should also be at least 10 pipe diameters distance from the bottom of the main waste stack or other fixture drains. If the discharge pipe from the pump connects to the bottom of the horizontal waste line, this is incorrect and not to code. The discharge pipe of the sewer ejector or grinder pump should be connected to the main waste line through a wye fitting and it should come in from the top.

Only the fixtures below the main sewer line should be going to the ejector pump. If you are on an upper level of the home and use a toilet, the sewer ejector should not be turning on. Plumbing fixtures that can drain to the main sewer line by gravity alone should not be discharged into the sewer ejector pump.

Code 3 - Only Fixtures That Need Pumps Should Be Connected Air admittance valves would release sewer gas into the home and is forbidden. Venting should be at least 1-1/4 inch in diameter and air admittance valves are not allowed. There must be venting installed when there is a sewer ejector pump in a basement. Read Also > What Are The Building Codes For Crawl Spaces? Code 2 - Venting Is Required For Ejection Pits The sump pit cover shouldn't be more than 2-inches below grade or finished flooring. This cover should also be removable with some screws or bolts. Regular sump pumps don't need to have an air tight lid, but for obvious reasons, it is unhealthy to have sewer gases seep into the house.Īs a home inspector, I usually just try to visually make sure the lid is tight, and I don't usually remove sewage ejector pump lids. Sewage ejector pumps must have a sealed and air tight cover to prevent sewer gases from flowing into the home.

E1 sewage ejector system