How to Seal Hot Water Pipe Joints

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Keywords: penetrating, anaerobic, thread sealer, thread locker, penetrating grade, wicking grade

Note: wicking type thread lockers are recommended for up to 1/2" size bolts

  • Loctite 242 Blue - 300F - recommended up to 3/4" bolts - [1] [2]
  • Loctite Putty - 121C - [3]
  • JB Waterweld - 300F - can cure wet - [4]
  • Gorilla epoxy - 200F - [5]
  • Check.pngJB Weld 8281 - 2 Part - 550F - [6]
  • JB Weld QuikWeld is 300F, but faster setting - [7]
  • Penetrating threadlocker, can be applied after assembly - does not say temp - only 1/2" pipes - [8]
  • JB - penetrating, 300F, water? - [9]
  • BSI - 300F penetrating, water resistant - [10].
  • MG Chemicals - 350F, water proof - [11]. [12]
  • VibraTite - 300F, water?, 1/2" bolt - [13]