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Old 07-19-2012, 02:23 AM   #11
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I have been stalking your RIM's thread Zamial and I love it! Keep givning them hell! I dream of a world where we don't need HLT's and I hope that with some work or money I can come up with something that will take the place of that. You're thread is great inspiration!

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Old 07-19-2012, 02:32 AM   #12
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I have been stalking your RIM's thread Zamial and I love it! Keep givning them hell! I dream of a world where we don't need HLT's and I hope that with some work or money I can come up with something that will take the place of that. You're thread is great inspiration!
I want to give no one hell; I want to spread enlightenment...lol. The saddest part of my brew day is the number of MLT's I have...Exactly what happens when all your MLTs are all full of grains + water at temp? Yeah...lots of beer...lol. Cheap RIMS + a pump is so full of win I can't say more about it. I honestly wish I could drink beer faster than I can make it...
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Old 07-19-2012, 04:43 AM   #13
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If I didn't have kids, I might investigate this sort of thing. I am an electrical engineer, so I could definitely pull it off, but right now I'm just happy to have time to make the beer. A few manual processes don't bother me. Heck, I haven't even taken on the process of running a hose from my water heater to my brew equipment (both in the garage) to at least start with hot water in the system!

That said, to the OP, there are certainly ways to do it. And there are certainly cheaper ways to do it. One of the guys in my brew club actually has an aquarium heater that he uses. Set your mash and/or sparge water out overnight the night before you brew. When you wake up, go turn on the aquarium heater. 2 hrs later or so, go out and the water is almost hot enough to use for brewing, and you can add just a bit of heat to get it the rest of the way.

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Old 07-19-2012, 04:32 PM   #14
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I’ve read that breweries sometimes use something that I guess is like a tankless water heater to instantly heat strike and sparge water. I even know that a couple of the Psycho Brew systems are designed with the use of their kind of water heaters in mind. My question is, are they using a piece of equipment that specifically designed to heat water to a selected temperature and if so can anyone show an example of this kind of equipment? Or are they just using a number of tankless water heaters run in sequence, and if so, how do they regulate the temperature to an exact enough number to strike with?

Thanks in advance for helping me out guys.
We are a small micro but we use a "combi-tank" system which places the liquor tank below the mash tun, is digitally controlled and gas fired.

I attached a couple images to give you a look at it, but not sure this is what you were asking but may help in your design in some way.
img_20120719_091858.jpg   img_20120719_091910.jpg  
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Old 07-19-2012, 04:54 PM   #15
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This thread got me thinking, we just completed a bathroom renovation. One of the nicest things added thermostatic shower valve. Wonder if one of these could be tweaked to mash and sparge temperatures? Might be too pricey.

The trouble with any of the on demand systems is that I draw all my brew water the night before and treat it with campden for chloramine and chlorine issues.

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Old 07-20-2012, 04:47 AM   #16
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Thanks everyone for all of the info and ideas! I will be looking in to all of them. I had an idea today that i think could be worth giving a shot but we may be getting closer to the DIY section at this point but ill throw it out here anyways. What if an existing house water heater was used to get the water somewhere in the neighborhood of 120 and then a modified tankless water heater that is designed to heat a singe appliance at once with the safety temperature limiter removed is used to get the temperature to the desired strike and sparge levels? This is the kind of unit i i have had in mind.
http://www.homedepot.com/h_d1/N-25ec...&storeId=10051

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Old 07-20-2012, 11:50 AM   #17
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This thread got me thinking, we just completed a bathroom renovation. One of the nicest things added thermostatic shower valve. Wonder if one of these could be tweaked to mash and sparge temperatures? Might be too pricey.

The trouble with any of the on demand systems is that I draw all my brew water the night before and treat it with campden for chloramine and chlorine issues.
As far as I'm concerned you have identified the main problem correctly, water treatment. I am presently using a 2 vessel system with a 5500watt RIMS to provide hot sparge water at about 1 qt/min. I can't do any water treatment to the sparge water, just the initial strike water. I'm thinking of changing to a more traditional 3 vessel system just for that reason. At least I only have to make 1 plumbing change and add the 3rd tank.
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Old 07-20-2012, 03:00 PM   #18
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As far as I'm concerned you have identified the main problem correctly, water treatment. I am presently using a 2 vessel system with a 5500watt RIMS to provide hot sparge water at about 1 qt/min. I can't do any water treatment to the sparge water, just the initial strike water. I'm thinking of changing to a more traditional 3 vessel system just for that reason. At least I only have to make 1 plumbing change and add the 3rd tank.
Why not just run treatment before the heating unit?
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Old 07-20-2012, 06:32 PM   #19
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Why not just run treatment before the heating unit?
Because the water is supplied directly from the house piping. That was the purpose of an on demand water heating system, no storage tank required.
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Old 07-20-2012, 06:56 PM   #20
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Because the water is supplied directly from the house piping. That was the purpose of an on demand water heating system, no storage tank required.
I get what you're saying but it seems to me that if you put an inline filtration before it dumps to the on demand heater it would work fine. The other option is simply a "whole house" purification system.

As for being tankless, the hot water is still tankless, the purification system on the other hand would have tanks most likely (depending on type) or in the case of a simple inline filter you would still be fully tankless.
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