Hello,
Our tankless water heater is not showing on our elevations, even though our V/G settings show Plumbing Fixture category and the water heater is not hidden. We checked all 37 causes on our trouble shooting list for finding objects in Revit. The only thing we tried that did work was copy/pasting the same family from the floor plan view onto the elevation as a work-around. Simply copy/pasting solved this. What could be the cause? Just a bug within the Revit program?

37 steps to finding lost elements.docx
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https://msacloud.egnyte.com/dl/OpTLK23F8B
22-012 - 939 Longbranch, GB - Cabreros ADUs.rvt
Password: irsVp8jbixEu
https://msacloud.egnyte.com/dl/mah7pisnpw