Poke in there with a stiff wire and clean the scale out. then use a wire brush for 3/4" soldered pipe fittings to clean the threads (handy little wire brush for many tasks) The threads are 1/2" NPT tapered pipe threads, and should be "pointed". They need to have a pipe thread tap put into the hole and cleaned up. Be sure the cutting edges match the original threads in the block and are started straight. Take out only a minimum of material to get it clean enough to put in a new plug. with a square head. Use one wrap of teflon tape on the threads of the new plug to assure a good seal. The old petcock is toast, but brass is recycled. Jim
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Today's Featured Article - Talk of the Town: Winterizing Engines - To Drain or Not to Drain? - by Russ Berry. What is this strange attraction I have to equipment and machinery? How did I get this way? I came from the suburbs and own a small horse farm in rural Loudoun County, Virginia. You can call me a "weekend farmer." The local farmers do. Does it bother me? No. I am just happy to have their friendship. At least the word "farmer" is in my title. But what is the attraction? How can I explain the sensation and exhilaration I feel when I turn the key and hear the engine come to life (most
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