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This is the first I'm hearing about the "not pressurizing" and I can't find reference to it other than a customer stating it. The website specifies 5psi pressure for the vessel and jacket. I don't think that's ambiguous. And like RiverCity mentioned - the cost of the conical itself isn't...

The following is from their site: http://brewhaequipment.com/blogs/brewinfo/14329765-preventing-deformation-in-your-fermentor

You don't *need* one, but if you don't use something to decrease the pressure, you're doing so at your own risk. It's like filling a tire. You know the pressure rating, but a compressor will surpass the tire pressure rating (and potentially make the tire fail). The tire manufacturer doesn't...

Really? Where did you see this?

It hasn't been an issue for me, but I did use RO water to fill the reservoir. I'm sure it would eventually need to be changed, but so far it's been clean. I also use the chiller to crash cool, so maybe that helps with the near freezing temps every couple of weeks. The reservoir is also closed...

Sure, there shouldn't be FOD in the jacket, but that doesn't negate the fact that the customer should ensure they are not supplying higher pressure than the jacket can handle. If a brewery orders a tank and it's rated to 15psi, the brewery is responsible to hook it up in a manner that will...

Which is correct, and that's how I have mine set up. Maybe I misunderstood/misread, but I was under the impression you had a valve on the outlet of your BIAC jacket? Either way, the only way to truly ensure pressure doesn't build up in the jacket is to regulate the pressure before it enters...

I can't remember the video as it's been a year since I watched it, but did he have a valve fitted to the "out" side of the jacket?

No, it didn't come with instructions, but when mine shipped I received separate email from BREWHA with links to specific articles on their blog about safety, how to use it, tips, etc.

If it restricts it to the point that it builds up past the pressure the jacket can withstand, then yes, it will buckle. This is no different than commercial brewery tanks...they don't pump 40+psi into the jackets and block the outlets off expecting that they will hold that kind of pressure...

I cool with tap water, and switch to the glycol chiller once it's dropped down to about 80 or 90*F. I don't run glycol in my chiller though, I just use water that is kept at target fermentation temperature and let it constantly recirculate through the jacket.

I'm not sure it really needs to come with a water pressure regulator - it's just something else to add to the price. Not everyone will want one, not everyone will need one, etc. I have had my BIAC for close to a year now, and I know that when I received my conical, there was a blog post about...

It looks to me like it was caused by over pressurizing the jacket - not a vacuum. Standard household water pressures are way too high for the jacket, and AFAIK too high for commercial jackets. This tank for example, is rated at 15psi...household water pressure can range, but 40+ psi isn't...

Did you have a water pressure regulator hooked up to the inlet of the jacket? Also, why was there a valve on the outlet of the jacket? There should never be any restriction on the out side of the jacket. Sucks that this happened..I have a BIAC and love it.

I'll be getting a neoprene jacket. I crashed cooled my medium BIAC last summer and it would sweat like mad. Added benefit is that it will drop the number of cycles on the glycol chiller.

I also made the switch to butterfly valves and don't regret it one bit. The ball valves are nice for the jacket in port and the colander in (for flow control), but they don't need to be sanitary, so disassembling them isn't critical.

I don't have a PRV installed on mine, but I don't have anything that closes the loop to build up pressure in the jacket. I'm doubtful that the pressure from the glycol chiller would be greater than city water pressures, which are ok to run through the jacket (if not restricted on the out side of...

I stopped using co2 to prevent the vacuum of cold crashing from sucking starsan back into the conical. I've instead switched to this fitting, attached to the lid, to keep dirt out, but allow air to be pulled in (I only use this while chilling the wort or cold crashing. Once it's at the desired...

Just stumbled across this oxygenating "wand". Could run it through a rubber stopper and stick the stopper in one of the triclovers ports on the lid. http://www.ontariobeerkegs.com/Stainless_Steel_Oxygenation_Wand_p/oxygenation-wand-w-stone.htm

Like you said, you could just recirculate from the dump valve to the racking valve. I've done this once with an IPA but clogged the system up. Since this I've been just steeping without whirlpooling and still getting the same effect. Larger opening valves (butterfly) may help if you're...