We have another question: What is the drain plug suppose to look like? The PO buggered this one up so it looks like some kind of a bolt head??? Its not square? Is the correct thread National Pipe Thread 1/2 or 3/8 inch and what threads per inch? We made need to purchase a tap after pulling this thing out. NPT is a tapered thread as it is used for liquid....If we get this thing out I will replace it with brass or SS.Thanks Steve
