Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Bleeder thread

Options
Snowmelt
Snowmelt Member Posts: 1,415
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?

Comments

  • mattmia2
    mattmia2 Member Posts: 9,660
    Options
    usually 1/8" npt
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,844
    Options
    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
    Options
    Thanks, I just wanted to make sure it wasn’t something off the wall
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,533
    Options
    @Snowmelt

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