Thanks again for the discussion. I hope it helps other. It has been very good for me. I like the Felker's idea of using the light bulb and adding the removable insulation. I see that as a good seasonal fix when I as using my coach in the cold weather. For now, I have the pipes flowing and will make fixes later this week when it warms back up to the 40's and 50's. Merry Christmas to all.
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