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Posted by kevin barton on September 28, 2008 at 15:54:15:
In Reply to: Re: life expectancy of unit posted by Vince on November 01, 2006 at 20:17:49:
: Just replaced mine which had 1981 stamped on it and receipt found in boiler room for same year - 26 years,
I am replacing mine now 9/27/08. I wonder where the date is stamped on the boilermate. I have a WH-7P unit. It has been here longer than I have been, and that is twenty years.