A device history record (dhr) review was performed subsequent to the manufacturing of the device and prior to its release.No problems or issues were identified during this dhr review.A product sample was received for evaluation.Visual and functional testing were performed.The float switch operated as it should.Root cause cannot be determined since the complaint was not confirmed due to the fact the sample was tested and successfully passed.Udi information is unknown.Premarket (510k) number is unknown.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# 617147.
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