500-Gallon Underground (UG) Propane Tank – ASME listing:

500-Gallon Underground Propane Tank – ASME Certified
Efficient. Durable. Out of Sight.

Looking for a large propane solution that stays out of view? The 500-gallon underground propane tank is a smart, discreet choice for heating homes, commercial spaces, pool heaters, and generators.

Available exclusively on Long Island

✅ Key Features
Underground Installation – Ideal for properties that prefer a clean landscape with no visible tank.

Includes Dome & Lid – Fully equipped with a black polyethylene shroud for durability and easy access.

Superior Coating – Red oxide TGIC powder-coated exterior for long-lasting, corrosion-resistant protection.

Ready-to-Bury Design – Built for direct burial with dual lifting lugs and steel galvanized domes (available in select colors).

Vacuum Purged & Anode-Ready – Includes vacuum purge, anode bolt for cathodic protection, and #72 liquid level outage valve orifice.

Durable Stainless Steel Nameplate – Duplicate plate for convenience and compliance.

🛠 Tank Specifications
Capacity: ~425 gallons of propane (500-gallon water capacity)

Dimensions: 9′ 10″ L x 37.42″ W x 4′ 6½″ H

Tank Type: Underground

Construction: Conforms to ASME Section VIII, Division 1

Compliance: Meets NFPA 58 standards

500 gallon propane tank for sale

Pressure Rating: 250 psig at -20°F to 125°F

Vacuum Rating: Fully evacuable to 14.7 psi vacuum

Ready to keep your propane system efficient, hidden, and fully compliant?
Contact us today to learn more or schedule your underground tank installation on Long Isla