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bennelson · 10-14-11, 08:15 AM

The iron nipple, I added just to cap off the one whole.

I DON'T know that these AREN'T brass nipples, but I really don't have any great way to tell.

I talked to an HVAC guy, and he said that it was pretty common on tank construction to have some sort of short pipe go through the insulation layer and then connect to the heat exchanger. The problem is that you don't know what's on the other end. It could be welded, soldered, glued, etc, and may be connected in some other way than threaded!

I don't want to start destroying the insulation layer either.

Any way to figure out if it is a brass nipple OTHER than just cranking on it? If it WON'T thread right out, I might just wreck the whole tank that way!

10-14-11, 08:15 AM	#7
bennelson Home-Wrecker Join Date: Sep 2008 Location: SE Wisconsin Posts: 546 Thanks: 3 Thanked 165 Times in 96 Posts	The iron nipple, I added just to cap off the one whole. I DON'T know that these AREN'T brass nipples, but I really don't have any great way to tell. I talked to an HVAC guy, and he said that it was pretty common on tank construction to have some sort of short pipe go through the insulation layer and then connect to the heat exchanger. The problem is that you don't know what's on the other end. It could be welded, soldered, glued, etc, and may be connected in some other way than threaded! I don't want to start destroying the insulation layer either. Any way to figure out if it is a brass nipple OTHER than just cranking on it? If it WON'T thread right out, I might just wreck the whole tank that way! __________________ To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.