Quote:
FF wrote:
Sounds like the HW heater is not properly installed in the cooling loop, and has to heat the 10-20G of HW before the engine thermostat sees the coolant.
Replumb so the HW heater is AFTER the thermostat.
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Marin,
FF is correct.* The thermostat is in an engine to insure that the engine gets to the proper operating temp*ASAP then service all additional items*as water temp allows while maintaining the engine at the proper temp.*So depending on where the sensor is reading the temp this may or may not be happening.* *