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 May 29 '15 at 20:03
  • Black pipe. Edited question specify black. – rjt May 30 '15 at 4:12
  • Have asked many others and none of them actually pressure tested their repairs. – rjt May 30 '15 at 4:14

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