Repairing black sprinkler pipe when it is chilly outside, i have used a hair dryer to make the plastic pipe more supple. Makes it much easier to fit the pipe over the repair couplers. Does the heat damage the pipe? Other than being electrocuted, is it a bad idea? Why?

  • What kind of pipe are you repairing, black poly pipe?
    – bobmcn
    Commented May 29, 2015 at 20:03
  • Black pipe. Edited question specify black.
    – rjt
    Commented May 30, 2015 at 4:12
  • Have asked many others and none of them actually pressure tested their repairs.
    – rjt
    Commented May 30, 2015 at 4:14


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