Why do propane tanks expire?

It’s a safety measure. Old tanks may have leaks, rust, punctures or other safety hazards. Plus, expiration dates ensure that your tank has the latest valve safety update.

Can you use expired propane tanks?

And we’re glad to say no, it will not! Unlike fuel sources that can degrade over time (kerosene, diesel, gasoline), propane fuel has no expiration date, nor will its potency suffer while being stored.

What happens when a propane tank expires?

Propane tanks of 100 pounds capacity or less have an expiration date of 12 years from the date of manufacture. Once those 12 years are up, you can either exchange the tank for a replacement, or have it inspected for requalification for an additional five years.

How long are 20 lb propane tanks good for?

For 20 lb propane tanks, you have 12 years from the manufacture date before the tank must be re-certified with a new date stamped on it. The re-certification only adds 5 years before having to re-certify again.

Will expired propane tank explode?

Propane tanks do not explode. … This is not the case whatsoever and people should understand that a propane tank, operating under normal circumstances will not explode or rupture. Safety devices and mechanisms are in place to prevent explosions, accidents and propane tank ruptures or breaches.

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Does Lowes take expired propane tanks?

If you’re in need of a new tank, then bring your old tanks to a hardware store like Home Depot or Lowe’s, which usually offer a tank exchange like Blue Rhino. There, you’ll be able to exchange your tank for a new one.

How many times can you recertify a propane tank?

Requalification/Retesting (49 CFR § 180.205)



The “requalification” date, also known as the “retest” date , is an important marking for fillers and/or consumers. Propane cylinders must be requalified or replaced every 5 or10 years depending on the cylinder type, condition, and previous requalification method.

How much does it cost to recertify a 20 lb propane tank?

Recertifying a propane tank costs around $35 to $60, depending on the pro doing the work. Once the unit reaches an expiration date (typically 12 years for the 15- to 20-pound ones), you must request an inspection before you can refill it. Larger models may not have an expiration date.

How do I recertify my propane tank?

How to Recertify Propane Tanks

  1. Visit “Find a Propane Retailer” website. Locate a cylinder refill and repair location. …
  2. Cylinder refill and repair location. Contact the most convenient propane retailer from the locations results page. …
  3. Have the tank re-certified for a fee. Take your tank to the propane retailer.

Why do propane tanks expire after 12 years?

It’s a safety measure. Old tanks may have leaks, rust, punctures or other safety hazards. Plus, expiration dates ensure that your tank has the latest valve safety update.

How long will a 20 lb propane tank last at 50000 BTU?

At a high level, (21,600×20)= 432,000 BTUs capacity in a full tank. 432,000/50,000 = 8.64 hours.

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Does Tractor Supply recertify propane tanks?

Does Tractor supply recertify propane tanks? – Quora. No they do not. Even U-Haul, which will refill customer tanks, does not recertify.

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