The heater itself is stamped 230V 4400 Watts. I have taken the end cap off and was hoping to rotate it so the position of the pipe plug would be at the bottom. It is currently 3/8” NPT but has enough metal to drill and tap it for 1/2” NPT. Was hoping to find a large enough immersion heater, but it’s not as easy as I was hoping… I did find a 750 Watt, 12” long for $30 but going off the reviews I don’t know if it will keep a head of steam… I just want enough to have the engine tick over… the boiler is 6” diameter, 22” long. I have a few emails in with some heater companies and found one that could make me a 1000 Watt heater, with the current 3/8” NPT thread and 14” long, but they said delivery is 3+ weeks, so I assume coming from China and they want $174.20. Ideally, I am guessing a 1500 watt heater would be a much better choice, but they are 3/4” NPT and may be taking to much metal…
https://www.heatingelementsplus.com/cartridge-heaters/standard-size-cartridge-heaters/1-2-inch-diameter-cartridge-heaters/cartridge-heater-stainless-steel-npt/14-insertion-cartridge-heater-1000w-120-240v-ss-npt.html
Have you already tried the boiler with 110 Volts - I think it should work, needs only much more time to heat up.
But the other way around does not work - because the wires would burn up.
Arnold
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