We have never had a problem with the auto switch over function since 2006 . We have a feel for how long a tank last and take a look accordingly. Both tanks are always open and the switch over points to the tank in use. It auto switches and the indicator on the in
use tank turns red. we turn the switch to the current in use tank which now will turn green then pull the empty tank for refill. I think there has been some miss information on how the regulators work. We Have experienced very cold weather and run a tank dry in 4 days.
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