wouldn't even think of using Neptune hose at those temps!
the Parflex hose is only rated to 230F
I just had some cut off, had several pin holes from jobs I was doing this past week with the 4HT cranked
Odd thing was, it was where the anti-bend coil was on the far end of the hose, not the closest to the truck but 120ft away. Go figure.
not many hoses capable of 300. The Toronado is rated for it, but you better be wearing gloves or you'll scald your hand when moving it. Its hot enough when just over boiling
300 at the truck is insane, no need for it.