On Sun, 4 Aug 2019 19:48:34 -0700 (PDT), wrote:

Used furnace 800,000 how much you going to give me for it
I suspect you mean 80,000 btu unless it's something other than a
domestic central heaing furnace. If it's over 10 years old it's worth
about 3 cents a lb delivered. If it's closer to 5 yeard old it's
worth about $20 or $25 delivered.