Long story short: Bought my childhood house my parents built in early 80s. There is a Riteway Omni-I in the basement connected to the hvac system. It hasn’t been used in many years, probably over 20. While cleaning basement I found the original documents, and got me wondering if it’s worth putting back to use, or should I scrap? Seems like it’s still in usable shape, other than needing a good cleaning. Any information on these things?