"thehip" wrote in message
news:iOoxi.52$iA.11@trnddc05...
Can I use teflon tape(white) on the steel black pipes(2 1/2") for a steam
boiler? The pipe threads
in question are the ones that connect directly to the boiler. Or should I
be using some kind of paste?

Temperatures can be very high ... so I'd be very careful.