General RZR Discussion Rzr heater problems November 26, 2015 I have been trying to install a heater in my 2015 rzr 900s. Everything works right except for if will not blow hot air. I have tried swapping the inlet and out lines on the heater core but didnt help. Any ideas of what it might be?!? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related