![]() Heger is education chair of the Minnesota Onsite Wastewater Association and the National Onsite Wastewater Recycling Association, and she serves on the NSF International Committee on Wastewater Treatment Systems. She presents at many local and national training events regarding the design, installation, and management of septic systems and related research. Sara Heger, Ph.D., is an engineer, researcher and instructor in the Onsite Sewage Treatment Program in the Water Resources Center at the University of Minnesota. This seal will need to be replaced after maintenance. Designed for burial flush-to-grade, the access cover is the only part that is visible after. ![]() This package ships complete with the Model M264, a 4/10 HP, 115 V sewage pump. If a concrete lid is leaking odors out of the manhole, weather stripping or other materials can be used to create a temporary seal that will contain odors but still allow for proper maintenance of the tank. The Model 912 with the Model 264 is an economical 18 x 30 preassembled sewage ejector system ideal for those looking to install a pre-plumbed, job ready system. They must also be properly secured in place with lag screws or other fasteners. An improper seal on the pump tank lid – The newer plastic lids have a rubber seal that helps keep odors in the tank.An improper seal on an electrical conduit. ![]() If there is odor by the pump tank, it might be related to: Replace foam gaskets and lightly grease O-rings and grommets and reassemble. Remove the cover and flanges, and clean all sealing surfaces.
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