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This might be viable if Ss were paying me for product engineering, which they are not. To bump it up to more simplistic terms, others on this forum are getting to 35F rather easily with higher ambient temps then my 75F. Something is amiss somewhere. The cold crash on my new unitank with new coil...

The packaging was fine. This seems like a mfg defect rather than shipping damage.

Thanks for all the feedback. I’m still working with SS brewtech on the chilling issue. It’s just a slow process as there is a lag time between every response and it takes about 3 communications to communicate all the variables and troubleshooting I’ve already done. I did just receive a second 7...

Unfortunately SS brewtech has been unable/unwilling to address the issue of my unitank not making it below 45F on a cold crash. I have opened up 3 support tickets to date. 2 of them received no response and the third was a generic response where they just repeated to check all of the variables I...

Yes all is well. I can never get to full open on top of the grain bed so it’s never been an issue. The sight glass is a life saver to ensure you don’t starve the element. If I open it up too much on the top circulation, you can see the liquid level quickly drop in the sight glass which tells me...

My personal opinion is that the ss unitank is quite a bit better product than Spikes. 2 cents

I am 2 brews in with my CBS system (with mods). So far so good!

The pump seems fine to me - I completely disassembled it and everything looks good - no blockages. The glycol lines going to and from the unitank are fully pressurized and when I pull up the lid on the glycol chiller there is a steady stream of glycol flowing through the copper pipe back into...

Great conversation but sounds like folks are getting acceptable performance in either direction - it is interesting that ss brewtech doesn’t address this while spike makes specific recommendations based on holding temps vs cold crashing. I still need to figure out why my unitank cant get below...

Yes, I logged a ticket with ss brewtech. Will see what they say. As I was cleaning the unitank tonight I stared at the coil for a moment trying to figure out what might have happened. It looks as though I may have had the glycol entering the loop through the wrong way. From the picture, I had...

That’s what I’m thinking too. It’s not the chiller itself. It has to be something with the pump or the coil itself. I will get a chance to inspect everything in more detail tonight. Edit: disassembled the pump to inspect and everything looked good. I noticed when I started it back up I had air...

I gave up on the cold crash and started carbing last night. Plan to move to a keg today. The unitank never made it below 45F - pretty disappointing. I tested and re tested every single variable and there really is no explanation as to why. The glycol chiller had no problem keeping the glycol at...

5.5 gallons in 7 gallon unitank

Return line is completely submerged. What I am seeing may not be air bubbles and just be the purging of glycol from the return line once the pump is shut off as the result of gravity Anyone else with a similar setup have any guesses as to what’s amiss? Is your glycol return line fully...

The tubing is clear and there doesn’t appear to be any air bubbles flowing through. When I turn off the pump some air bubbles rise up from the return piping - but as soon as I turn it back on the air bubbles are quickly purged and it’s back to smooth flow.

I’ve switched fittings from side to side and even reversed the flow of glycol to rule out any issues with the fittings. The result is the same in any configuration. I suspect the flow is less when exiting the coil simply due to head loss from traveling the distance of the coil. The flow of...

Just pulled the coil - no ice. Now I am really stumped. I did find one thing that seems odd. I have braided vinyl tubing to and from the glycol chiller. Right before the connections to the unitanks I use quick disconnects very similar to others in this thread. On the input side, the tubing...

I have 33% glycol to water. Yes I have perfect flow through the coil.

Unfortunately the cold crash is not going well. I started last night at 72F and the crash has stalled out at 48F. I opened the PRV and didn’t see any ice on the coils at first glance. I then checked the glycol bath with a thermo pen and it comes in right where the thermostat reads - 29F. I even...

Thanks for all the great info...very helpful. I am slowly creeping down to 35 for a 2 day crash. Plan to carb on Sunday and transfer to keg on Monday. So far so good with the unitank. Getting ready to order a 2nd 7gal to complete my setup.