WOGSTER, That is called 'pass through' temp control. It works your way and will not arouse the ire of the eminently sagacious and thoughtful (if a tiny bit bookish) PE.
I did not post this temperature factor thread to annoy him, just to 'round out' things. He is the authentic, 'non apocrypha' part of the bible of photography. But, sometimes, deviation can be successfully harnessed to pragmatism. I dare to do that. - David Lyga