The Fortress GasLock Propane Tank Lock provides industry-leading security for propane cylinders mounted on RVs, trailers, and towable campers. With propane theft on the rise—and tank damage or line cutting often costing over $500 in repairs—this lock offers reliable protection without permanent modifications.
Made from high-impact, powder-coated military-grade aluminum, it installs in seconds without tools and does not interfere with tank operation—LP cylinders can still be filled while locked. Designed for dual tank applications, this model fits setups that use 1/2" threaded center rods, one of the most common mounting configurations in the RV industry. Proudly Made in the USA, it is the only LP tank lock specifically engineered for RV propane systems.
Key Specifications
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Part Number: A7702
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Compatibility: RV or Camper Mounted Propane Tanks
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Lock Type: Keyed Lock
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Rod Size: 1/2"
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Material: Aluminum
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Quantity: Single – Protects 2 Tanks
Features & Benefits
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Prevents Theft & Costly Damage to propane cylinders and RV components
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No Interference with Filling – tanks can be refilled while locked
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Designed Specifically for Dual LP Tank Systems
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Fast, Tool-Free Installation – Installs in Seconds
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Military-Grade Aluminum Construction for Maximum Security
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Industry’s Only LP Tank Lock Purpose-Built for RV Use
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Affordable Protection Against Theft and Tampering
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Backed by a Limited Supplier Warranty