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Bleeder thread

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Snowmelt
Snowmelt Member Posts: 1,415
in Strictly Steam
One of my jobs the air vent that goes in end of rad was hard to catch the first screw. What size thread is it so I can buy a tap? Would my plumbing supply house have a tap for it?

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  • mattmia2
    mattmia2 Member Posts: 9,637
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    usually 1/8" npt
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,834
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    If you own a tap and die set you may already have a 1/8" tap
    Edward F Young. Retired HVAC ContractorSpecialized in Residential Oil Burner and Hydronics
  • Snowmelt
    Snowmelt Member Posts: 1,415
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    Thanks, I just wanted to make sure it wasn’t something off the wall
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,519
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    @Snowmelt

    If the threads are crappy you may have to drill and tap it 1/4npt and bush it down
    STEVEusaPAmattmia2AMservices

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