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Posted by D Sherman [72.47.9.228] on Sunday, November 27, 2011 at 17:02:35 :
In Reply to: Re: Pressurized systems posted by Will (in IL) [98.215.26.138] on Sunday, November 27, 2011 at 15:38:21 :
I don't know about stock PWs, but M37s came from the factory with a 160 deg thermostat, which was supposed to be replaced with a 180 deg unit if a "hot water personnel heater" was installed.