So, a friend shows me a photo of "some beer stuff" that his grandfather was wanting to get rid of, and it's an old Sabco system, which I promptly purchased. When he dropped the rig off, this little contraption was in there. Looks like it may be a FV. There's a valved hose barb on top, corny keg connectors, and a pressure relief valve on top. Thermometer in the side. The silicone tube is connected to a pickup tube at the bottom with the other end attached at the top of the FV. The silicon tube is the source of my consternation. Thought the tube on top might be a blowoff tube, but why would it need a pressure relief valve it has a blowoff tube? Pickup tube on bottom could be for dumping yeast, but there's no valve, and why the heck would I want to connect that back to the top of the FV? Never seen a contraption like this before.
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