![Mr. Green :mrgreen:](./images/smilies/icon_mrgreen.gif)
Set up with a thermo switch in the bottom hose
1st fan on the inlet and outlet side of rad turns on at 88C and turns off again at 83C, 2nd fan turns on a 92C and turns off again at 87C
They are also wired so that I can turn one on manually or have them both off for wading.