What I was looking for, thanks.. All..
On Sep 15, 2015 12:23 PM, "David Beierl" <dbeierl@attglobal.net> wrote:

> At 02:58 PM 9/12/2015, Don Hanson wrote:
>
>>    Is there an accepted method to test the function of one of our double
>> style thermostats?   I am skeptical about the proper operation of my
>> currently installed one.... lately....I have had some other issues with
>>
>
> Put it in a pan of vegetable oil or 100% gycol antifreeze (caution: both
> are flammable) and heat it on a stove.  Opening begins ~85C/185F.  Opening
> complete ~105C/221F.  Minimum opening stroke 8 mm/.35 in.
>
> Yrs,
> d
>