>I've been scratching my head over the intake/carb heat/cabin heat system all >day. One thing that I think I need, but can't find, is an aluminum or >stainless 2" Y valve with a butterfly in the middle to shift air flow from >one leg of the Y to the other. >Mark Langford, Huntsville, AL >N56ML "at" hiwaay.net ++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mark, seems like I saw one in the Wick's catalog the other day. You will need one for carb heat and one for cabin heat. The carb heat box valve just flops back and forth for source A or B air. The cabin heat valve either directs heat to the cabin or dumps it overboard. I got my cabin heat valve off the firewall of a C-172. I didn't realize it at the time but it has a 3" inlet. Where am I going to find that much hot air on a KR? :-) Larry Flesner
