allseason Posted June 24, 2013 Report Share Posted June 24, 2013 Does anyone have info on how to determine the age of a Triangle Tube Smart 60 water heater? S#: W3181. There is another smaller number on the data plate: P3LBL29. It's combined with a 20 year old Weil McLain boiler but does not look 20 yrs. old. There is a handwritten note on the date plate that says 4 December 2012. Thanks in advance. Quote Link to comment Share on other sites More sharing options...
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