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Old 23-10-2019, 13:57   #76
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Re: Does anyone replace thermostat...

[QUOTE=Ecos;3002059]
Quote:
Originally Posted by a64pilot View Post
Fail safe thermostats are marketed, but they really arenít fail safe. Basically more marketing lies.

This is Stantís FAQ, and I trust Stant myself.





Well Stant need to get with the 21st century. MotoRad thermostats have a dual action and lock open with an overheat.

Your right. They lock open with an overheat, if and only if they happen to be open, but if they are failed closed, they stay closed, there is no device that will open them.
Read Stantís FAQ, thatís covered, and why I put the link here
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Old 23-10-2019, 14:57   #77
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Re: Does anyone replace thermostat...

They have a second spring that pushes the valve open, just like the one that pushes it closed.
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Old 23-10-2019, 17:00   #78
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Old 23-10-2019, 17:14   #79
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Re: Does anyone replace thermostat...

I've read that twice now. The ace mechanic a few post back said they "never fail in the closed position". The dual spring unit would drive the valve all the way open when it got hot.
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