We are trying too locate a Furnace Part for our York Furnace. We came to a web site www.expertappliance.com/partfinder.php It came with a logo up in the left corner from a company name UNITED PART SUPPLY I tried to locate this company and find out just who they are without any luck. But they came up with the part I was looking for, gave me a price, and stated that it was in stock. If you care to check this out go to the web site and put a Model # P2UGB30N180318 for a Heat Exchanger for a York Furnace. They will tell you they have... read full review »