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Old 10-31-2010, 06:06 AM   #1
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Default Induction Burner

So exactly how much water do you think a 3700 Watt induction burner could boil? Do you think it has a chance at 6.5 gallons?



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Old 10-31-2010, 06:12 AM   #2
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Yes.....
I brought 4 gallons to a boil with the lid on a 120v, 1800 watt unit.



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Old 10-31-2010, 06:38 AM   #3
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There is a great spreadsheet at:

http://gnipsel.com/beer/software/calculators/electric-heat.xls

Should be okay, see allot of people using 2 * 1500w elements for 5 gallons.

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Old 10-31-2010, 02:13 PM   #4
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Originally Posted by nanofreak View Post
So exactly how much water do you think a 3700 Watt induction burner could boil? Do you think it has a chance at 6.5 gallons?
I get about 4.5 gallons going on a 2600W burner. You should get better transfer from the induction unit so I'd guess 6.5 should be doable.
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Old 11-01-2010, 04:01 PM   #5
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Yeah, that should do the trick. I have two 1800 watt units and can only get a simmer on a full boil. Works great for MLT and HLT heating though.

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Old 11-03-2010, 04:29 AM   #6
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Yeah, that should do the trick. I have two 1800 watt units and can only get a simmer on a full boil. Works great for MLT and HLT heating though.
I just got a Max Burton 1800 watt and it easily boils 2.5 gallons at half power. I had my doubts it would even boil that much. It takes about 35 min. to get a good rolling boil. I start it out on high and once it starts to boil I cut it back to half power and it maintains nicely. My main concern is I might burn my wort. I just did a 2.5 gallon boil, grains and extract and I had about 4 oz. of dark brown debris in the bottom of the pot. Hopefully this is just the remains of the 2 oz. of hops and what got through the grain bag. It didn't smell or tasted burned. The unit I have only heats up about a 7 in. dia. circle and that area gets quite hot.
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Old 11-03-2010, 02:35 PM   #7
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Let me make it clear that I don't use the two units on one pot. It's one for the MLT and one for the HLT. I can easily boil 3 gal of tomato sauce with these units, but can't do a 6 gal boil with them. Plus that's an awful lot of weight to put on the units. The would work great for a partial boil.

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Old 11-04-2010, 08:35 AM   #8
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So exactly how much water do you think a 3700 Watt induction burner could boil? Do you think it has a chance at 6.5 gallons?
Where do you get a 3700W induction burner?
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Old 11-04-2010, 03:58 PM   #9
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I am using the Max Burton 1800 as well. I found one for about $80, so it was a very cheap way to move my brewing to the basement without having to drill kettles etc.
With induction it does depend on they type of pot how well its going to work.
I did a full boil on my first test(+6.5G). I would say it was somewhere between a simmer and a rolling boil. I was able to boil down from 6.5 to 5.5 gallons in a 60 minute boil. I think I will keep using this but adjust my recipes down from 6.5 to more like 5.5 gallons. I did get a bit of carmelization in a ring around where the pot sat on the hob. I am going to try again on a slightly lower power setting.
I do most of my brewing at night and have no desire to be standing around in the yard in the middle of the winter with a propane burner(besides all of the time it would take to haul equipment out there and back.

Amazon has a 3600W induction hob for around $265 that would require a 20amp 220. This would be twice the power, but the 1800W seemed already too concentrated in the ring of the burner. I understand a new generation of these are going to come out that do a better job detecting the size of the pot, so maybe a 3600W that heated evenly over 12" would work better.

Oh, and its pretty amazing for HLT/MLT. It has a digital temperature control and timer so you can be precise with the temperature. Its also light so I can move it on my stand pretty easily and I don't need 3 of them.
The instructions said not to put more than 4 gallons on it. I am working around this by building a stand for it so that I have wood that is supporting the edges of my pot carrying the weight of it, while the hob fits flush underneath the pot.

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Let me make it clear that I don't use the two units on one pot. It's one for the MLT and one for the HLT. I can easily boil 3 gal of tomato sauce with these units, but can't do a 6 gal boil with them. Plus that's an awful lot of weight to put on the units. The would work great for a partial boil.
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Old 11-04-2010, 04:58 PM   #10
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I own an induction cooktop (for the kitchen) and I can tell you that I can boil 7 gallons with the 2400 watt burner. I get it up to temp with the boost setting that hits 3600 watts.



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