HvacPartsShop.com does not warrant or accept returns of any electrical repair parts due to their sensitive nature. Electrical repair parts are packaged and shipped new, failure of new parts is extremely rare, failures are more likely to be a result of mishandling once opened or improper installation. HvacPartsShop.com does not warrant electrical repair parts sold.
Had to replace a failing EGC-1 / CAT#73K79 control board in one of my 80MGF furnaces. Replacement took 15 minutes, it came with a new ignition cable. Shipment was fast, within 5 business days into Canada.