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Home Brew Forums > Home Brewing Beer > DIY Projects > Brew Stands > Top Tier Build
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Old 02-16-2014, 06:56 PM   #11
Markj19
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I tapped right off of the connection for my water heater and furnace. The main line appears to be at least 3/4, but steps down to 1/2 after the hot water heater splits off and I installed a 1/2 T to split off to the furnace and a quick disconnect for the brew stand. The quick disconnect was a gas grill conversion kit from HD. I suspect this conversion kit is the bottle neck because it takes a 3/8 MPT into the hard line and there is a 10' hose that is also 3/8. Has anyone else used one of these grill conversion kits with or without problems? The 10' hose then connects to my 1/2 manifold on the stand, but the 2' hoses that run from the manifold to the burners themselves is only 1/4 inch. I didn't think the 1/4 hose would be the problem since it was such a short run, but hind sight being 20/20 and all...

All that said, where do you set your baffles (?) On the back of the burners? When I had the baffles (I don't remember what the are actually called, but the air control disks on the back of the Banjo Burners) wide open, the flame was bright blue but very short, but I also got a lot of NG smell in the garage. I was not planning on a long burn, just a quick test, so I did not even open the garage door or turn on a fan, but the smell of gas was surprisingly strong. When I close the baffles nearly all the way I get a significantly taller flame that has a little orage to it. Could limiting the airflow in to the burner actually increase the amount of gas that is burned? I'm wondering if the low pressure NG is just escaping out the back of the burner and not ever making it to the burner face. Thoughts?

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Old 02-16-2014, 07:09 PM   #12
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Oh, forgot to answer the question about elbows. The connection to the house is on the straight shot of the 1/2 T, so no turns there. The only elbow is at the base of the stand where the hose connects to the manifold and where the burners split off.

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Old 02-16-2014, 08:01 PM   #13
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Ok, another update. I bypassed the manifold and therefore bypassing the 2' 1/4" hoses feeding the burners and ran the 3/8 hose from the quick disconnect directly to one of the burners and there is a huge improvement. I'd say I have a good 4" flame now almost all blue, with only a few of the taller flames turning yellow at the top. And no gas smell either! So clearly the cheap hoses were a bad decision, so I'm off to do some more shopping...

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Old 02-17-2014, 01:59 AM   #14
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I am having trouble locating a shorter length (36" would be ideal) of NG hose, 3/8 ID minimum with a 3/8 flare on at least one end. Could be 1/2 MPT or 3/8 flare on the other.

Anyone have a good resource?

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Old 02-17-2014, 08:39 AM   #15
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Have you tried McMaster Carr?

http://www.mcmaster.com/#general-purpose-hose/=qqa48c

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Old 02-18-2014, 01:54 AM   #16
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Quote:
Originally Posted by Markj19 View Post
Ok, another update. I bypassed the manifold and therefore bypassing the 2' 1/4" hoses feeding the burners and ran the 3/8 hose from the quick disconnect directly to one of the burners and there is a huge improvement. I'd say I have a good 4" flame now almost all blue, with only a few of the taller flames turning yellow at the top. And no gas smell either! So clearly the cheap hoses were a bad decision, so I'm off to do some more shopping...
Glad you found the source of your problem. Happy NG brewing.
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Old 03-09-2014, 07:26 AM   #17
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Been a long time since I started this post, but haven't updated in a while.

I finished the build at least for now. I never did find NG hoses that really fit all my needs, so I ended up using the yellow NG hoses from HD with too many adapters and fittings, but hey it worked. The stand is solid as can be, my garage floor isn`t completely level so it took a bit to get the legs leveled (note for future mods, add leveling feet), but once I got it level I walked up the shelves like stairs and sat on the top shelf and it didn`t even budge. It`s plumbed for NG and hot water so my water starts out in the HLT at about 140 f so that really cuts down on my heating time. I still feel like I should be getting more out of the burners, so I will add heat shields soon (picked up some scrap stainless steel sheet for a fabricator for $12 that should be enough for both burners). Brewed a 10 gal batch on it last weekend, took a bit of time getting used to adjusting mash temp with this new system, so overall took about the same amount of time, but I was able to start the mash within 25 mins of getting out in the garage, so I know that once I get it all down it will really cut down on my time and can't describe how much easier. No more lifting 10 gallons 170 degree water over my head makes me smile!

It's not really all that pretty or as refined as the Blichman, so I might re-do the shelves in stainless later (much later), but it works great for now.

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