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Old 10-22-2009, 10:54 PM   #1
Highlandsbrew
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Default Electric keggle boil time?

I am currently using a natural gas burner to brew with but I have been considering building a few electric keggles for using in my garage this winter. How long on average does it take to bring 13 gallons to boil using a 4500 watt element?

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Old 10-22-2009, 11:00 PM   #2
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You are looking at about 20-25 minutes from sparge running temp.

With only 4500W you will probably have to run that thing at 100% to keep a nice vigorous boil. I run my 5500W element at 3700W to maintain a vigorous boil in 7.5 gallons.

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Old 10-22-2009, 11:47 PM   #3
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I agree on the time The Pol posted. I only have a 4500W and I run it at 80% and get a nice boil. It will depend on how much insulation you have on the keg if any.

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Old 10-22-2009, 11:53 PM   #4
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You are actually looking at almost exactly 28 minutes. That is quite a while... which leads me to think that you will really be running at about 100% the entire time. Wish someone who boils this volume with electric would chime in with how many watts it requires.

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Old 10-23-2009, 12:19 AM   #5
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Sorry, slightly off-topic, Pol, what % evaporation rate do you get at 3700W for a 1 hr boil?


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Old 10-23-2009, 12:21 AM   #6
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Quote:
Originally Posted by HarkinBanks View Post
Pol, what % evaporation rate do you get at 3700W for a 1 hr boil?
Well, % is not a good way to measure it...

I DO get 1.3 gal/hr

So about 17% with a 5 gal batch
About 11% with a 10 gal. batch
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Old 10-23-2009, 03:52 AM   #7
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I boil 40 gallons with two 4500 watt elements running at 85% power.

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Old 10-23-2009, 09:49 AM   #8
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Quote:
Originally Posted by The Pol View Post
You are actually looking at almost exactly 28 minutes. That is quite a while... which leads me to think that you will really be running at about 100% the entire time. Wish someone who boils this volume with electric would chime in with how many watts it requires.

I am doing a 10G batch on Sunday. Pre-boil will be right around 13 gallons and I will record the time it takes to come to a boil and also what % I need to keep it at a boil. I do start the element as soon as it is covered up by the first runnings. Most of the time it is almost at boiling as I am starting to pump in the second runnungs.
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Old 10-23-2009, 11:55 AM   #9
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Drez, are you just using one element, what wattage? Thanks for the replies

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Old 10-23-2009, 05:11 PM   #10
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Quote:
Originally Posted by Highlandsbrew View Post
Drez, are you just using one element, what wattage? Thanks for the replies
One Element, 4500 Watts in a converted Sanke keg.
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