Furnace howls
It's getting to be warm here in Southern Arizona, but it still seemed like a good idea to check the furnace in my new (used) 1999 Santara 23RB Class C. Howls! Banshee-like howls and screeches! So...
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I really like Turbine Oil aka Zoom Spout Oil. Amazon search will turn it up. The oil is good and spout gets into tight places.
