Neptune 400051-VR 1″ Aluminum LPG Meter US Gallon V/R Register OEM

SKU: 400051-VR

Weight	55 lbs
Condition	New
Manufacturer Part Number	400051-VR
Brand	Red Seal Neptune

$9,250.58

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$9,250.58	0%
5–9	$8,788.05	5%
10+	$8,325.52	10%

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Available to order.

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Specifications & product details

Neptune 400051-VR 1″ Aluminum LPG Meter – US Gallon V/R Register

The Neptune 400051-VR LPG Meter is a commercial-grade propane flow meter designed for accurate US gallon measurement in LPG delivery, dispensing, and bulk transfer systems. Built with a durable aluminum body, this meter is engineered for long service life in demanding propane operations.

Equipped with a V/R mechanical register and configured for 1-inch connections, this Neptune meter is commonly used by propane distributors, service fleets, and fuel professionals requiring dependable and repeatable measurement.

Key Features:

Genuine Red Seal Neptune OEM LPG meter
1″ aluminum body for propane service
US gallon register for standard billing accuracy
V/R mechanical register (Veeder-Root compatible style)
Designed for professional LPG delivery applications

Applications:

Propane delivery trucks
LPG dispensing systems
Bulk propane transfer
Commercial and fleet propane operations

Condition: Brand New
Part Number: 400051-VR
Register Model: RL100-108A1VAS

⚠️ California Proposition 65 Warning applies.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Compatibility & part-number help

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Shipping & availability

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