Steamer unit shuts off randomly. checked and found hi limit trips. also unit needs delimed. will also order new probes. 1-03-19 Arrived. unit was off. had to pull element to replace hi limit. cleaned boiler cavity while open. reinstall with new hi limit. delimed unit and drained. flushed unit out. installed new probes. ran and flushed unit again. heated unit and made sure its function is okay. okay for use