...I would put a dimmer switch on the UTH... and use the t stat for your CHE (or infared bulb if you insist )
Or get a herpstat and hook the UTH and RHP into it!
~~McKinsey~~
"Men have forgotten this truth," said the fox. "But you must not forget it. You become responsible, forever, for what you have tamed."
~The Little Prince; Antoine de Saint Exupery