What's the best way to do it without have to buy another regulator? I was thinking it would be nice to have a setup that would let you replace one cylinder while another one is going, so even if you run low, you don't have to interrupt your furnace or kiln operation. Hopefully this would allow of propane to be used on one side of the regulator and then throw over to the other side for an additional 40 of LP. Are you talking about going into the tank below the valve? Here are a few. Ocala National Forest, FL. Manifolding propane cylinders together.
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Propane: Dual Tank Hookup Question
I used to have a camper that had 2 bottles it had a single three-way valve. Available at a lower price from other sellers that may not offer free Prime shipping. When one tank is empty, I"ll manually switch the high pressure hose which I need to the other filled tank. What a disaster versus having it delivered!! Or is there a better fitting for that purpose? Free Amazon tech support included What's Tech Support?