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new oil piping that leaks

BryanEnnist_2BryanEnnist_2 Posts: 1Member
We have noticed in the last year that we are getting numerous leaks on new oil piping. One thing we noticed is that the pipe threads, especially the factory made threads on nipples seem to run all the way into the fitting. We have tried different sealants. Has anyone else had an issue with leaking oil lines lately?
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Comments

  • Intplm.Intplm. Posts: 837Member
    edited April 12
    I hope you do not have pipe nipples that had been made in China. I had a similar issue years ago, but since then have not had this happen. ( The fittings were made in China, Threads made by me.) Seems some imported threads didn't match.

    Where are you purchasing the nipples, and fittings? Have you asked them about this?

    What type of thread sealant have you used?

    And have you tried the Blue Monster tape? I have had a lot of success with it. Read the directions and try it out. It works great.



  • EBEBRATT-EdEBEBRATT-Ed Posts: 5,951Member
    Do NOT use any Teflon tape/Blue Monster on oil lines it is not allowed code rules

    I think it is a stupid code rule because tape works well on oil and if applied properly there is no issue.

    So, the quality of the fittings is in question Chinesium is bad stuff. And make sure whatever dope you use is OK for fuel oil. Most are but read the can. Gasoilia is one and then just crank them up tight
  • STEVEusaPASTEVEusaPA Posts: 3,158Member
    Numerous leaks sounds like a bad job.
    No sealant needed on flare fittings. If they leak they weren't made properly, and/or tightened properly (could've over tightened them and cracked them).
    For regular nipples if they have to be run all the way in, they are junk like @Intplm. mentioned. With proper sealant, no teflon, and proper installation, you shouldn't have any leaks.
    Show us some pictures
    steve
  • EBEBRATT-EdEBEBRATT-Ed Posts: 5,951Member
    @STEVEusaPA

    Maybe a Tiger Loop will fix it? hehehe
  • Intplm.Intplm. Posts: 837Member
    edited April 12
    @EBEBRATT-Ed I am using it monster blue because I couldn't get anything else to work under similar circumstances. Code or not. Stupid code requirement but so is the oil leaks.
    PS whos looking🙂

    I know I always am.
  • STEVEusaPASTEVEusaPA Posts: 3,158Member

    @STEVEusaPA

    Maybe a Tiger Loop will fix it? hehehe

    Never seen one stop a leak, but I’m surprised the OP wasn’t getting nuisance lockouts.

    steve
  • HVACNUTHVACNUT Posts: 2,397Member
    Agree you should probably use a different supplier for your fittings.
    Where is the oil tank in relation to the burner?
    Are pipe compound brands somewhat regional? I've always liked Mega Lock. Good seal and it doesn't seize.
    I despise the inventor of Leak Lock.
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