Local So Md Heating oil prices...website?

[Sneakers]

Never heard about the impeller, but I have heard about the swirl slots and swirl chamber where the fuel gets atomized,. And never ever think of running anything into the orifice outlet, like a needle or pin.

Yeah, that's what he said, but I can't seem to find anything to corroborate that. Just swirl chambers. I have an old one that came out. If I get ambitious I'll cut it open.