All Propane Tanks

500 Gallon UG Propane Tank – ASME

500 gal Underground ASME

$1,520.00

Tank only. Flat-rate freight $540 per tank in the contiguous US, added at checkout.

In stock — ready to dispatch

500 gallon underground ASME-stamped propane tank, inspected and photographed before dispatch. Call us with the appliance load and we will confirm it is the right size.

Certification sent with the invoice Data plate photograph and pressure-test paperwork for this exact unit.
Insured freight, carrier calls ahead Flat $540 per tank in the lower 48. Remote and limited-access sites quoted up front.
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Description

The workhorse of domestic propane. Big enough to cover a full winter load, common enough that every installer knows how to set one.

Full domestic service — space heating, water heating and every gas appliance in the property.

Filled to the 80% limit this vessel holds about 400 gallons of propane — roughly 37 million BTU, or about 1,696 lb of product. Against a steady 100,000 BTU/hr load that is roughly 15 days of continuous running before it needs refilling.

Against the 330 gallon it buys real headroom; against the 1,000 it saves footprint and pad. That trade-off is usually decided by the site, not the load.

Technical details

  • Shell capacity: 500 gallons
  • Working volume (80% fill): approximately 400 gallons
  • Filled product weight: approximately 1,696 lb
  • Energy held when full: approximately 37 million BTU
  • Installation: Underground (buried)
  • Certification: ASME stamped
  • Condition: Confirmed on your invoice
  • Fuel: Propane / LPG

Getting it on site

Buried installation keeps the vessel out of sight and off the usable footprint of the plot, which is usually why it is chosen over an above-ground tank of the same capacity. The trade-off is excavation, a dome and riser for access to the valves, and cathodic protection that has to be maintained.

Our responsibility ends at the delivery; a licensed propane contractor takes it from there. Codes on siting, clearances and commissioning are not optional and not ours to sign off.

Condition and certification

The exact condition and specification are confirmed in writing before you pay, along with the test record for the vessel itself.

The gauge and the relief valve get particular attention — an unreadable gauge causes bad decisions and a tired relief valve causes worse ones.

Running costs

A tank you own has no rental charge attached to it, and no clause tying you to one supplier’s posted price.

Before you commit

If you are between two capacities, go up. A tank that never drops below about 30% refills more cheaply per gallon and spends less of its life on the supplier’s emergency list.

Buy the documentation, not just the steel. A vessel without a legible stamp and a test record is worth a fraction of one with both, whatever the listing says.

Talk to the sales desk

Tell us the load and the ZIP. We will quote the tank and the freight together.

No call centre and no quote-chasing — you get a real figure, in writing, from someone who knows what a lift gate costs in your county.

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