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Old 07-06-2014, 11:06 AM   #27
Old Henry
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Join Date: Oct 2010
Location: Orem, Utah
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Default Re: Road Test of Stant vs. Shewman Thermostats

Quote:
Originally Posted by Mart View Post
Many stats have a small indentation in the seat that the inner part seals against. This allows air to vent out and limits water leakage to an acceptable minimum.

Others have a small hole, others have a jiggle pin like pictured. Some have nothing.

Mart.
Quote:
Originally Posted by Ross F-1 View Post
The Stants have a wavy edge in (I recall) 3 places to allow air to escape. If you hold them up to the light it's easy to see.
I think I see one of those little "notches" you're talking about on the Stant on the right (the left one is a stock one with the jiggle pin). Wonder if they work? Might have skipped drilling the hole in mine. Good to know if I ever have to replace them.

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