![]() ![]() ![]() Required in the discharge line at height of top of pump where some check valves such as Zoeller Unicheck are installed. Clogs also occur if improper materials (dental floss, tampons) are flushed down toilets.Ĭlogged pumps also occur when a white or gray waxy deposit accumulates, often due to bacterial growth or to use of powdered detergents. Unless a check valve is installed, when the septic pump motor turns off you'll hear a large volume of water running backwards into the pumping chamber from the discharge line, causing the pump to turn on again too soon or even to cycle continuously the check valve also assures that a sewer main does not back up into a building and flood it through the sewage ejector pump system.Ĭlogging in the impeller (reduced discharge or in severe cases loss of pump output, motor trips on overload)Ĭlogging in a septic effluent pump often occurs when the wrong pump type has been selected and the pump cannot handle solids entering the system. Is needed at the discharge line (as we show in the photo above). Which may show recent failures: sewage or toilet paper scraps outside the pumping chamber, stains, water lines, odors, occupant report If installed, check that the alarm operates if the pump pit level rises above normal To the tank and pump for inspection, pump replacement, or repairs Guide to Sewage Ejector Pump Maintenance: inspection checklist Inspect the sewage grinder tank for the following: Also the wiring connections entering the tank are held in place with gray-painted-over masking tape - not particularly reliable. Of course any sewage backup will flow back out of this hole into the room, and might prevent the pump alarm from functioning - but then is there a pump alarm installed? From the number of wires entering the tank, probably not.Īlso we see no check valve (see photo at right, brass valve on the left hand vertical outlet pipe). The septic grinder pump at left has had a hole cut at floor level to permit other basement leakage to enter the pumping chamber to be pumped away. We've seen sewage handling systems where the wrong type or wrong capacity of pump was installed, sometimes as an attempt to "save money." Are modifications to the septic pump system visible ? What do they mean? Septic pump manufacturers provide a pump selection and sizing tabl e that is used to guide the installer in selecting the proper pump. Septic pump systems vary by these parameters: The pumps at page top may have been a misapplication for this municipal lift station ,which may explain why we found these discarded units on the site. What you see at a building site may indicate a history of problems: Sketches are from the Environment One Low Pressure Sewer Systems Grinder Pump catalog. Several sewage pump manufacturers produceĪ separate line of commercial or municipal sewage grinder pumps from those used in residential application. ![]() ![]() Little Giant pumps, Myers pumps, Tsurumi pumps, Webtrol sewage pumps, and Zoeller sewage grinder pumps. Include ABS pumps, Crane (centrifugal grinders) pumps, Environment One or E/One sewage pumps, Goulds pumps, Hydromatic pumps, Liberty sewage pumps, Some of the common sewage grinder or septic pump brands The pump is intended only to move clarified effluent, say from a septic tank to a drain field. The general name for sewage pumps pumps is sewage grinder pumps if they are intended to grind and move black water or sewage (including solid wastes), or sewage effluent pumps if We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. This article gives inspection and maintenance advice for Sump Pumps, Sewage Ejector Pumps, Septic Grinder Pumps, Sewage Pumping Stations, & How to inspect sewage grinder pumps or septic pump installations for proper installation, operation, and testing. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest. ![]()
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