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Old 01-29-2009, 08:17 PM   #1
Jun 2008
Portland, OR
Posts: 333
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I am very intrigued by the electric HLT and am handy enough not to kill myself. What I am trying to figure out is this - if I only plan on doing 10 gallon batches, can I use a smaller element - say 1650 watt, requiring only 120V vs a 220V at 20a, will this take too long? Or better question - how long will it take about?
I brew outside and would rather not run a 220V. I can't imagine having to heat more than 10 gallons of water for high gravity 10 gallon batches.

Thoughts or comments?

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Old 01-29-2009, 08:51 PM   #2
ajwillys's Avatar
May 2008
Holly Springs, NC
Posts: 1,296
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Go here:
JT's Beer Home Page
and click on electric heat calculator.

It will tell you that it takes 1 hour and 49 minutes for a 1650 watt element to heat 10 gallons of 60 degree water to 180. It's up to you whether that is "too long" or not.

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Old 01-29-2009, 08:56 PM   #3
Jul 2007
Loudonville, OH.
Posts: 233
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I think you will need more than 1650w. Perhaps you could run 2 1650w-110v elements.

Just for reference my 5500w/220v will take 13 gallons of 45 degree water to 170 in 45 Min. in an uninsulated keggle.
On Tap - Haus Ale, Baltic Porter.
Fermenting- SNPA Clone, Half Wit

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Old 01-29-2009, 09:07 PM   #4
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wilserbrewer's Avatar
May 2007
Jersey Shore, New Jersey
Posts: 9,603
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Two 2000 watt 120 volt elements will reduce that time substantially. Ten gallons of sparge water can be taken from tap temp to boil in less than an hour. I use two 2000w 120v elements from two 120v circuits. Works great!

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