1 Between the intersection with the sink's drain pipe and the toilet's waste pipe, the vent pipe is acting as the sink's drain and the toilet's vent, and so must be 2 in diameter. 2  Above the intersection with the sink, the vent pipe simply acts as a vent for both fixtures and so can be smaller, 1.5 in diameter.reate a dry vent by attaching a ventilation pipe to a fixture's drain pipe. Depending on the fixture, the vent pipe can be fairly small but should be positioned within a couple feet of the fixture. Make sure to check your local building codes for specific regulations about sizes and distances for your vent pipe.
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It has to be changed. Your local hardware store has a 4 wire DRYER pigtail cord. All you need is a 1/4 inch nut-driver, a phillips head screwdriver, 1 red wire nut and patience. On the back of the dryer, remove the plate just over the cord. Take note of where and how the wires land on the block.heres a metal plate where the cord goes in the back of the dryer. Just unscrew it (while is UNplugged and take a look at it). The new cord will have round metal circles at the end with a hole in the middle. The hole is for a single screw.