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Old 11-16-2017, 05:13 PM
Scott ZHP Scott ZHP is offline
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Join Date: Apr 2006
Location: PA
Posts: 462
Scott ZHP is on a distinguished road
I fought with one of these last year. New Wahler stat to replace the 3mo old Behr stat; no change.

Turned out to be a bad heater valve. Even with the heater off, I was always circulating coolant through the core. With the heat off, feel both outlet hoses, neither should be hot.
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