Used in a variety of Locomotive Boiler flue tubes depending on size.
Casting is cut into four pieces and then drilled with two blind holes that meet each other, into which the superheater tubes are soldered
If casting is out of stock please allow 3 - 4 weeks from placement of order
Note if out of stock but ordered with other items, whole order will not be sent until complete unless a request is made for a supplementary shipping invoice
