list: reply from motorad tech department says that locking temperature for 192 F thermostsat is 245 F. that is considerably less than boiling point of 265 F with 50/50 coolant solution and standard 15 psig cap. dan On Tue, 12 Jul 2005 17:55:15 -0400, Daniel L. Katz <katzd54@YAHOO.COM> wrote: >list: > >anyone have water cooled vanagon experience with FAIL-SAFE thermoststs by >MOTORAD? > >http://www.motoradusa.com/products/failsafethermo/ > >autozone carries them; probably other suppliers as well. > >have used these with success in ordinary cooling systems, but the water >cooled vanagon, as we all know, requires the thermostat to modulate the >flow somewhat more precisely than on a standard system. > >another question i have about these thermostats is how far above normal >operating temperature the permanent fail-safe feature engages; in other >words, if relatively minor overheating causes the unit to lock open, they >would probably now and then lock open unnecessarily, and, potentially, be a >lot of work to maintain. > >dan |
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