On Mar 1, 12:55 am, "Rob Turk" wrote:
I'm looking for a sealant or kit to seal brass NPT inserts into a
polyethylene tank. This is a Kitfox header tank that has developed a leak at
one of the inserts. I'm probably going to use Mogas that has ethanol
additives. Any hints, tips, thoughts?

Thanks,
Rob

ProSeal ....... or the generic =?

Take it to an RV shop and have the insert "welded" in?