For safe, long-term, and code-compliant propane storage, the 500 Gallon Underground ASME Propane Tank is ideal for residential, commercial, or agricultural applications requiring hidden, high-capacity fuel storage.
At californiapropanedepot.com, we provide brand-new ASME-certified underground propane tanks designed for durability, safety, and regulatory compliance.
Why Choose a 500 Gallon Underground ASME Propane Tank?
ASME Certification Ensures Maximum Safety
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Manufactured to meet American Society of Mechanical Engineers standards
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Pressure-tested steel construction for structural integrity
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Compliant with NFPA 58 propane storage regulations
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Designed for underground, above-ground, or partially buried installation
Large-Capacity Underground Storage
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500-gallon water capacity (~400 gallons usable propane)
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Perfect for:
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Residential heating and water systems
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Backup generators
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Commercial or agricultural propane applications
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Provides invisible, space-saving storage
Durable Construction for Underground Use
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Heavy-duty steel with corrosion-resistant coating
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Equipped with fill valve, service valve, and pressure relief valve
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Designed for decades of reliable underground service
Applications for 500 Gallon Underground ASME Propane Tanks
Residential
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Home heating and water heaters
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Fireplaces and gas stoves
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Backup generator fuel supply
Commercial & Agricultural
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Small commercial facilities
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Farm operations needing hidden fuel storage
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Remote or off-grid backup power
Technical Specifications
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Capacity: 500 gallons (water)
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Usable Propane: ~400 gallons (80% fill)
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Material: Heavy-duty steel
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Certification: ASME
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Orientation: Underground installation
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Fittings: Fill valve, service valve, pressure relief valve
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Exterior Finish: Corrosion-resistant coating
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Installation: Must be installed underground with proper site preparation and permits
Check californiapropanedepot.com for exact specifications and inventory.
Safety & Compliance
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Keep away from ignition sources
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Ensure proper venting and clearance per NFPA 58 and local codes
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Inspect annually for corrosion or damage
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Always use approved propane appliances
Why Buy From CaliforniaPropaneDepot.com?
Brand-New Underground ASME Tanks
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Maximum safety, durability, and long-term reliability
Expert Guidance
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Installation advice, compliance support, and site planning
Fast Availability
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Ready-to-ship inventory for immediate underground installation
Regulatory & Safety Support
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Ensures compliance with NFPA 58, local, and state regulations
Frequently Asked Questions
How much propane does a 500-gallon underground tank hold?
Approximately 400 gallons (80% of total capacity for safety).
Can it be installed partially above ground?
Yes — designed for underground or partially buried installations.
How long will a new ASME underground tank last?
With proper installation and maintenance, 30+ years is typical.
Do I need a permit?
Yes — permits and inspections are required by most municipalities for underground propane tanks.
Get a Quote on a 500 Gallon Underground ASME Propane Tank Today
For safe, durable, and code-compliant underground propane storage, the 500 Gallon ASME propane tank is perfect for residential, commercial, and agricultural applications.
Visit californiapropanedepot.com to:
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Check inventory
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Request pricing
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Schedule professional delivery and underground installation guidance
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Speak with a propane storage expert
Ensure long-term, space-saving, and safe propane storage for your property.




