Jomar 704-102 Brass Dielectric Union 3/4″ MIP x 3/8″ Flare Propane Gas Fitting

SKU: 704-102

Weight	1 lbs
Dimensions	15 × 10 × 2 in

$63.42

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	$63.42	0%
5–9	$60.25	5%
10+	$57.08	10%

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Jomar 704-102 Brass Dielectric Union 3/4" MIP x 3/8" Flare Propane Gas Fitting

Specifications & product details

REGIONS SUPPLY BUYING GUIDE

Product details & buying advice

Identify the connection system at every end before choosing a brass, copper, flare or compression fitting.

Product type	Brass, copper and flare fittings
Part / SKU	704-102

What to check before ordering

Check tubing outside diameter, the applicable flare standard and each male or female connection.
For a reducing tee, identify the run and branch sizes separately.
Prepare and join the tubing using the procedure for that fitting system.

Service reminder: Flare fittings seal against a mating seat. Their sizing convention differs from NPT, so compare the actual connection specifications.

Have gas-system installation and service completed by qualified personnel. Use the current instructions for the exact model and the requirements that apply at the installation location.

Product help & manufacturer resources

Explore this product guide · Shop this product group · Ask Regions Supply about this part

Overview

The Jomar Valve 704-102 Brass Dielectric Union (3/4″ MIP x 3/8″ Flare) is a high-quality fitting designed to connect dissimilar metals while preventing galvanic corrosion. This union is widely used in propane, LP gas, natural gas, HVAC, and plumbing applications, ensuring safe, reliable, and long-lasting connections.

Key Features

OEM Jomar Valve brass dielectric unionSize: 3/4″ MIP x 3/8″ FlarePrevents corrosion caused by electrolysis between dissimilar metalsHeavy-duty brass construction with dielectric barrierSuitable for propane, LP gas, and natural gas installationsApplications:Propane & LP Gas SystemsNatural Gas Fuel LinesHVAC InstallationsIndustrial & Commercial PlumbingCorrosion Prevention in Gas and Water SystemsSpecifications:Brand: Jomar ValvePart Number (MFG#): 704-102Connection: 3/4″ MIP x 3/8″ FlareMaterial: Brass with Dielectric BarrierCondition: Brand NewThis Jomar 704-102 dielectric union provides durability, safety, and corrosion resistance, making it a trusted choice for gas and plumbing professionals.

Product details

Part / SKU	704-102

Package includes

Jomar 704-102 Brass Dielectric Union 3/4" MIP x 3/8" Flare Propane Gas Fitting

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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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