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  1. Commercial Plumbing
    Im in NY under IPC. I need to replace 10ft of 4" cast iron storm drain. The 4" is the first drain on the line. It connects to 8" Boston with cleanout. Can i swap the 8" combination fitting out for a 4" combo with cleanout and tie it into the 8" main using 4 x 8 reducer/increaser or transition...
  2. Drain and Sewer Cleaning
    Tomorrow I am going to be roding out 30 older homes that haven't been in use since 2007. The drains are all cast iron. Should i rod first or should I run some water down the drains to push some of the depris out of the way first?:whistling2:
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