Personally, I would run, not walk, away from anything but the OEM VW unit.
Ken Lewis
http://neksiwel.20m.com/
----- Original Message -----
From: "Daniel L. Katz" <katzd54@YAHOO.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, July 12, 2005 5:55 PM
Subject: [VANAGON] Fail-Safe thermostst

> list:
>
> anyone have water cooled vanagon experience with FAIL-SAFE thermoststs by
> MOTORAD?
>
> http://www.motoradusa.com/products/failsafethermo/
>
> autozone carries them; probably other suppliers as well.
>
> have used these with success in ordinary cooling systems, but the water
> cooled vanagon, as we all know, requires the thermostat to modulate the
> flow somewhat more precisely than on a standard system.
>
> another question i have about these thermostats is how far above normal
> operating temperature the permanent fail-safe feature engages; in other
> words, if relatively minor overheating causes the unit to lock open, they
> would probably now and then lock open unnecessarily, and, potentially, be
a
> lot of work to maintain.
>
> dan
>
>