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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Cheap pump and FDA approved 12v 100c
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Old 01-22-2013, 09:48 PM   #141
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Depends on what you plan to use it for. I have 2 1500W elements (one in kettle and one in RIMS tube). I was using them both to get my wort to boil and the pump started flaking out. I thought I had this situation covered in my software, but apparently made a mistake. Wort was scorched; element, fried. I never quite figured out why it would occasionally stop working, but my 2 guesses were overheating or clog. I'm leaning toward the first, since the mash went really well and there is a better chance for a clog during that stage.

I ended up buying an AC chugger pump and couldn't be happier. I was definitely hoping to find a cheaper alternative using these DC pumps, but it never worked out for me.

Hope this helps.
Hmm that is a bit concerning... My plan was to mainly use it to transfer Spare water to the Mash Tun and Mash running's to my Brew Kettle. Oh and this is small 6 gal batches.

Thanks,
Robert
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Old 01-26-2013, 09:56 PM   #142
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Just thought I'd point out that the 108 GPH versions are now back in stock

http://www.lightobject.com/High-Temp...wing-P709.aspx

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Old 02-11-2013, 02:44 PM   #143
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Just completed my first 2 brews this past weekend using this pump for my eHERMS setup

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Old 02-14-2013, 05:17 AM   #144
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Quote:
Originally Posted by broni View Post
Depends on what you plan to use it for. I have 2 1500W elements (one in kettle and one in RIMS tube). I was using them both to get my wort to boil and the pump started flaking out. I thought I had this situation covered in my software, but apparently made a mistake. Wort was scorched; element, fried. I never quite figured out why it would occasionally stop working, but my 2 guesses were overheating or clog. I'm leaning toward the first, since the mash went really well and there is a better chance for a clog during that stage.

I ended up buying an AC chugger pump and couldn't be happier. I was definitely hoping to find a cheaper alternative using these DC pumps, but it never worked out for me.

Hope this helps.
broni, did you have the 12v or 6v pump the op mentioned or another type?

I'm considering one of these for a single vessel RIMS, BIAG setup. I was hoping it could be used with a counter flow chiller but that might be asking for too much.
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Old 02-15-2013, 08:24 PM   #145
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I tried both the 12v Lightobject pump and the 12v solar pump. Both had issues during the boil (I was using the RIMS tube element to help get the wort to boil).

I'm now switching to my setup to HERMS, so I will use one of these pumps to circulate the water in my heat exchanger, which should stay in the 150 to 170 degree range.

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Old 03-14-2013, 08:27 PM   #146
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I just wanted to share that I purchased two of the "larger" 12V pumps but I will be returning them.

For a simple liquid transfer from one container to another the pump wasn't strong enough to pull in the liquid from the container. All it would do is cavitate.

I tried siphoning liquid to the pump, and cutting the hoses REALLY short and it just wasn't happening.

Pretty disappointed!

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Old 03-15-2013, 12:05 AM   #147
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Quote:
Originally Posted by redXstripe View Post
I just wanted to share that I purchased two of the "larger" 12V pumps but I will be returning them.

For a simple liquid transfer from one container to another the pump wasn't strong enough to pull in the liquid from the container. All it would do is cavitate.

I tried siphoning liquid to the pump, and cutting the hoses REALLY short and it just wasn't happening.

Pretty disappointed!
Pumps push much better than they pull. Was your pump below the bottom of the vessel you were transferring from?
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Old 04-05-2013, 03:41 AM   #148
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I have used the smaller version, the 6 volt one for about 10 brews and they work great. I have it for a small setup where I typically do 3 gallon brews. I use 4 of them hot water to mash tun, Mashtun to boiler, and two to circulate hot water and mash

You do need to put them low, I have mine about 6 inches below the pots.

I control them all with a 4 relay USB switch (Phidget), and by putting my Mashtun on USB scale it was a breeze to fully automate all the pumping of the mash process.

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Old 04-19-2013, 05:37 PM   #149
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Any thoughts on this pump. Its on the us solar pumps web site. Seems like it will fit my needs. http://www.ussolarpumps.com/onlinest...products_id=16

this is the description. at the bottom it says it can be made food grade.

We offer 2 TL - C07 pump models. Please see data sheets on left for dimensions and specifications of each model. Big power in a small package! Features:
Suitable for submersed or non submersed use
Max. water head 6'7" or 9'10" according to model
Expected longevity of 20,000 hours
Liquid temperatures up to 100°C / 212 F.
Low power consumption & maintenance free brushless motor
20cm / 8" wire, red +ve, black -ve
M21 Screw thread inlet & outlet fittings
Very quiet <35dB at 1m distance
NOT self priming and must not run dry to avoid damage
Advanced magnetically coupled technology, lifetime no leakage
Ceramic shaft, no damage if impeller jams
Heavy duty for 24/7 work load
By special order these pumps can be made with additional features:
Food Grade
Electronic modification for direct connection to solar panels
24V option

Thoughts?

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Old 04-19-2013, 05:50 PM   #150
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Quote:
Originally Posted by stamandster View Post
http://www.lightobject.com/High-Temp...wing-P709.aspx

So I was just perusing around fleabay and stumbled across this!

Looks like it may be small but mighty at 1.8g/m
From the picture it looks all plastic and from it's price it is probably Chinese.

I look forward to hearing a review.

DPB
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