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Old 02-26-2012, 03:34 PM   #1
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Default 110v HWT Heater w/timer. Smart? Safe?

I am considering something similiar to this http://www.homebrewtalk.com/f170/how-build-5-gal-110v-ebiab-kettle-304914/ for my hot water tank (Thanks Disintegr8tor!).

I have a converted keg and typically prep 13 gallons at around 180 or so degrees. I brew outside (early in the morning) and am looking to speed up the brewing pocess by having the water already heated to temp by the time I wake. How long do you think it would take to heat 13 gallons with one element (2 hours?). Could I connect an element to a christmas light timer...safely? Should I even attempt this?

I plan on using an inline GFCI as well.

Thanks for any input!



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Old 02-26-2012, 04:42 PM   #2
DaleHair
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If my calcs are right you should be able to raise 13 gal about 47F in 1 hour not figuring heat loss



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Old 02-26-2012, 04:45 PM   #3
onthekeg
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It would take about 3 hours if insulated somewhat

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Old 02-26-2012, 05:30 PM   #4
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When I attempt this I'll figure on at least 3 1/2 hours to reach my temps. Thanks for the input it is much appreciated.

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Old 02-26-2012, 08:07 PM   #5
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I use a timer to start my HLT. The ability to wake up and immediately mash in saves a ton of time. To make it as safe as possible, I use a float switch to shut the element off if the water level gets close to the element to prevent dry firing. I also use an alarm contact on my PID to shut the element off if the temperature gets too high. This protects against the case of a failed SSR.



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