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Mainline Vent openings too Small?

subaru400
subaru400 Member Posts: 33
in Strictly Steam
I have two main vents, which you'd think would be adequate for my smallish system, but they are only 1/8" each (radiator size). Is it advisable that I tap these old pipes to accommodate 3/4"? My system seems to be working fine now, but this might save me some dough in the long run. What are the risks in tapping an old pipe like this? Basically I don't want to create a disruption/leak in the adjacent pipe joints, etc. Thank you.

Comments

  • subaru400
    subaru400 Member Posts: 33
    I found an old discussion that answers my question - sorry for this 'repost'.
  • KC_Jones
    KC_Jones Member Posts: 5,886
    Pictures of what you have would help immensely. It's hard to say for sure without seeing what you have to work with.
    2014 Weil Mclain EG-40
    EcoSteam ES-20 Advanced Boiler Control
    Boiler pictures updated 2/21/15

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