Steam Boiler Source not Included. Does not include Boiler. The Boiler is discontinued and no longer available. This is a replacement iron head.*

Do not use a Teflon Shoe because the boiling point of Teflon is less than the heat of the iron soleplate
and it will burn."

Before the Sheldon Iron was developed and our own Reliable line of irons and boilers. we sold the Sheldon iron (and still do today). There's no problem using these irons with high temp PTFE iron shoes.
We've sold many tens of thousands of the irons over the years. Reliable.
Temperature: 575° F
Weight: 6 lbs