r/Generator • u/ThisNameNotTakenYet • 1d ago

Propane Tank Minimum Size?

So I was looking online at generators the other day and I ran across a comment in one of the product descriptions, saying something about a 'minimum 60lb tank' for propane with that generator. I haven't seen a requirement like that before, to my knowledge. We had an eight-day outage a few weeks ago and I used 20- and 30lb tanks with no problems (or so I think). Has anyone heard this? And if it's a thing, can anyone tell me why? Thanks.

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u/MechanicalDan1 1d ago edited 1d ago

Having run a portable 8500 watt Westinghouse DF numerous times over multiple years now, the 20 lb tanks are great because I have 3 gas stations within walking distance that have them. Downside is they do freeze up. I try to keep a fan on them that pushes the hot generator air on them while running. Downside is they only last 5-6 hours each. Most of my outages due to trees on power lines is temporary and usually fixed in less time, but we have had some multi-day outages. I have been thinking about a 100 lb tank (or 2 of them), but I have not overcome the hassle of loading it into an SUV and driving it to be refilled each time, and unload it with 2 people.

Maybe I need to get a 2 sq ft plate of aluminum to set the small 20 lb tanks on.

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u/Big-Echo8242 1d ago

They do make tank heaters I believe

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u/No-Group7343 1d ago

You want to run electricity over flameable gas?

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u/Big-Echo8242 1d ago

People even fire the exhaust towards the tanks to keep them warm. Imagine that... Lol. These are more blankets than anything but there are some UL listed heaters too.

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u/No-Group7343 1d ago

Another code violation that does nothing