Almot wrote:
I have Marshall MEGR-253. Red-green window is poorly visible but this is Ok. What is not Ok is that when one cylinder is empty, I have to go and flip the lever over to the other cylinder, manually. It never flipped over by itself.
I don't have the Marshall, but mine doesn't flip the lever over itself either. If it did, the indicator would go back to green and you would not know that the first propane cylinder was empty. Mine does start drawing propane from the other cylinder so the propane appliances continue to function, but I still have to flip the lever myself.
If what you are actually saying is that yours does not start drawing from the second tank until AFTER you flip the lever, then you have a defective regulator.