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Old 01-15-2013, 04:17 PM   #1
Oct 2011
Hampton, GA
Posts: 45
Liked 1 Times on 1 Posts

On the boil kettle, I have a 4500w heating element. I don't have a temperature controller on it, its just a on off setting. For 10 gallons, it works fantastic. For 5 gallons, it's too powerful. I don't want to put a temperature controller on it, because I don't want it cutting on and off.

I'd rather be able to dial down the power. I know other people have this issue, but I don't know what to search for. A friend of mine recommended using a solid state relay, combined with arduino to accomplish everything. I'm curious what would be the simplest, and most cost effective method. Or just suggestions what to search for. Thanks!

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Old 01-15-2013, 04:30 PM   #2
Jun 2010
Portland-ish, OR
Posts: 6,002
Liked 1789 Times on 1119 Posts

Well with a SSR and arduino or a PID cycling the power on/off is exactly what you'd be doing. Is there a reason you don't want to do that? The elements can handle it no problem...

But what it sounds like you want is a PWM. Without further adieu:

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Old 01-15-2013, 06:47 PM   #3
Feb 2012
Colorado Springs, CO
Posts: 624
Liked 38 Times on 34 Posts

Also search for voltage resistance ssr on eBay or amazon for a phase angle control.

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