The recently announced G2 Kettle is available in 7.5, 10, 15, 20, 30 and 55 gallon sizes. The BoilerMaker G2 is designed and manufactured in the US. It includes a Sight Glass w/Laser Etched Volume Markers, Adjustable Angle BrewMometer Thermometer, Linear Flow Valve and tool-less dip tube. The G2 also features a 1.2 height to diameter ratio.
Here’s a hands on look at the Blichmann G2 BoilerMaker kettle.
Here is the Blichmann Engineering name plate and BoilerMaker G2 name plate. They’ve really stepped it up a notch here vs the G1 as the G1 just has a sticker. This has no functional importance, but it does look cool.
When a first unboxed the G2, I went directly to the Linear Flow Valve. After turning it a bit, I thought, yeah… it’s pretty cool. After figuring it out, I can tell you that it is… revolutionary. Keep reading.
The Linear Valve’s Cool Touch Handle. Cool Touch should maybe be “Cooler Touch”. It is helpful, but still use caution when grabbing for the valve. It can get warm, even hot. Most of the time I am able to adjust with my bare hand, but there have been times I’ve grabbed something to shield my hand for the heat. Heat-wise I would say this is a big improvement from the ball lock handle.
This is the revolutionary part. That’s light you see through the Linear Valve’s body. After a while, I started looking through the manual to see how the Linear Valve comes apart. What would I need to do to clean this? What tools are required? The valve simply unscrews and the entire inner workings pop out. No tools. When the thing just came off, it was a near jaw dropping moment for me. I’ve got my fair share of 3 piece ball valves that can be taken apart for thorough cleaning. How often do I take those apart for thorough cleaning? I wouldn’t use the word… often. The Linear Valve comes apart so easily that it will be cleaned every time I use the kettle.
New handle design
After using it the first time, I decided to orient the valve facing to the side. Changing the valve orientation is as easy loosening the back nut, changing positions and re-tightening. The ring on the dip tube can be re-oriented so that the aligning pin fits correctly and the dip tube points down. I’ve found a side benefit to this orientation. If you have the valve facing away from you, you can lean the kettle back while carrying it to prevent stray wort from dripping while you’re carrying around the kettle. I like that a lot, since I usually brew in the garage and do most cleaning in my basement.
After my “First Looks” Post, I received questions on the flow rate of Blichmann’s new linear valve design. I had that same question. To test, I filled both G1 and G2 kettles up to the bottom of their valve outlets. I actually overfilled and then let the excess drain out. With both valves opened, I dumped in three gallons of water (from a 5 gallon bucket) and (with my son’s help, despite rumors to the contrary I only have two arms 🙂 timed how long it took to drain that three gallons. We kept timing until the water level hit the top of the interior valve nut on both kettles. I did that because I didn’t want to try and time the last dribbles coming out. So, this was a 3 gallon-ish test. Results: G1 – 2 Minutes and 4 Seconds, G2 1 Minute 46 Seconds. The linear valve was 16 seconds slower. Part of that may be because I have the valve oriented to the right. The net result is that the flow rate is a bit less for the Linear Valve. I have a suspicion that the difference will be less when using a pump. I plan to try that in the future. Either way, I would much rather have the Linear Flow Valve vs a Three Piece Ball Valve. I have easily cleaned this every single time I’ve used the G2.
Brewing MoreBeer’s M80 IPA BIAB Style with The Brew Bag – Review. The G2’s Handles make nice spots to secure the bag. Facebook Friend Brian asked if the BrewMometer’s interferes with the bag when brewing BIAB. The answer is that BrewMometer’s probe is a short 2″. It’s not sticking half way into the kettle. It works well with Brew in a Bag.
The BrewMometer showing the mash temp for M80
This is the grain bill of a partial mash Oatmeal Stout.
After using the G2 for a while, I can… wholeheartedly recommend it. In true Blichmann fashion, it is a great piece of purpose designed brewing equipment from small thoughtful details to innovative new features (like the revolutionary Linear Flow Valve) to first quality materials and construction. The Blichmann BoilerMaker G2 is a great homebrewing kettle!
Shopping Tip: Blichmann gear is price controlled. You’re not going to see a lot of difference from retailer to retailer, other than shipping fees and taxes. For this particular purchase, I went with Adventures in Homebrewing because they are currently offering free shipping and I received the equivalent of 5% back via their rewards program. That offer also applies to the TopTier Stand (and any options you include on the TopTier page) and the Tower of Power – Check it out – Here
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