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Yes. Providing that if the 20lb. tank has a hose hook up that the hose will be long enough to reach the shorter 15lb. cylinder's valve. Also the 15lb. cylinder MUST be within 12 years of manufacture or if it's been recertified within the past 5 years AND have an OPD, (overfill prevention device) style valve. This is easily identified by a triangle shaped handle vs. the old round handles.

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Q: Can I replace a 20 pound propane tank with a 15 pound tank?
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Related questions

How much should a 15 lb propane tank weigh full?

Propane burns 91,547 b.t.u.'s an hour per gallon of propane. Depending on the b.t.u. output of the appliance you are running you should be able to calculate how many hours you can use your tank.


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The cost of a 20 lb tank of propane can vary depending on your location and current market prices. On average, you can expect to pay between $15 to $30 to refill a 20 lb tank of propane. It's best to check with local suppliers for current pricing.


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