Neal Lewis Posted August 24, 2014 Report Share Posted August 24, 2014 I can't find anything specific in manufacturer instructions disallowing a drain to connect to a vent pipe of a sewage ejector pump vent pipe. The picture shows the adjacent laundry sink draining into the pump via the vent rather than underground inlet. Can you please point me in the right direction whether this is allowed. Yes, the isolation valve is also missing. Thanks Click to Enlarge 47.95 KB Quote Link to comment Share on other sites More sharing options...
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