Originally Posted by soapy_junk
regarding the 3/4 black pipe nipple and the ball valve.. i will be doing a NON welded unit.. everyone says use the 3/4 electrical conduit lock nuts.. i purchased them.. but they look like they are coated.. are they?.. are they ok to use that close to the firebox?
I would not worry about the zink, but keep that black nipple well oiled. They rust fast and then getting the cap off is all but impossible. A couple bucks on brass nipples is money well spent.