Help on Delco furnace

Inspected a restaurant today - can’t find anything on a Delco Gas furnace on Google - unknown age - serial number 83738 Model # DGH125B2A- Anybody know anything about this - Built in 83? Thanks


Prestons Guide: Delco Gas Unit DGH125B2 Mfg. 1965, 125,000BTU, 54% AFUE

Russell - thanks so much - buyer getting an IRS property and needed help (in alot of areas) on this place - normal stuff wrong but couldn’t find the furnace - this will help me greatly sound like the expert I am :wink: - thanks for your help -