Home / HVAC / Furnace Burner 326643-702 Furnace Burner 326643-702$37.40 Price may not be up-to-date. In Stock View Product Part Number: 326643-702 Brand: CARRIER BOCK Seller: Sears PartsDirect Category: HVAC 60-day return policy Description This burner (part number 326643-702) is for furnaces. Burner 326643-702 distributes gas to create a flame for heating. Wait until the surface is cool to the touch before installing this part.