Greetings from Canada, I'm a DIY-er who visits this site often for advice. This time I think I may be over my head. I have a sewage ejector system in my basement, looks like it was built in 92. I got the house in 2010. Pump and float/check were replaced in 2018. Last week the whole thing stopped working, I figured the float or pump died again. But when I took the lid off, I saw the sides of the basin/bin are pushed in and the float couldn't move freely. I could compare it to squeezing an empty can of beer. I had 2 plumbers come by and they've never seen this happen before. When I search online all the results are for repairs to pump or float/check, and nothing about problems with the tank itself. I know that replacing the basin is a must, but what would cause this? I don't want to drop 700 on a new basin and have the same thing happen again. Any ideas? Everyone I know is stumped. Thanks
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