Holyoke 5/8″ x 3/8″ Brass Reducing Flare Union Fitting LP Propane Gas

SKU: 42R-106

Weight	1.5 lbs
Dimensions	9 × 7 × 1 in

$5.15

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	$5.15	0%
5–9	$4.89	5%
10+	$4.64	10%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order.

Bulk quantity & quote

Quantity needed

Enter the total quantity you need. We will confirm availability and a quote before you order.

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

Holyoke 5/8" x 3/8" Brass Reducing Flare Union Fitting LP Propane Gas

Specifications & product details

Overview

Holyoke 5/8" x 3/8" Brass Reducing Flare Union – For LP Propane & Natural Gas SystemsThis high-quality reducing flare union by Holyoke is engineered for professional-grade propane and LP gas installations. Designed to connect two different flare-sized tubing systems, it features precision-machined brass construction for reliable, leak-proof performance in high-pressure gas distribution environments.

Product

Highlights

Thread
Size: 5/8" Male Flare x 3/8" Male Flare
Material: Solid brass for superior corrosion resistance

Applications

Ideal for propane and LP gas tanks, DOT cylinder installations, RV gas lines, natural gas regulators, and bulk plant fittings
Brand: HOLYOKE – a trusted name in gas fittingsDLP#: 5K017 |
MFG#: 42R-106
Compatible with a wide range of flare systems used in commercial and residential LP gas setups. Perfect for technicians, installers, and bulk gas plant maintenance.

Product details

Part / SKU	42R-106

Package includes

Holyoke 5/8" x 3/8" Brass Reducing Flare Union Fitting LP Propane Gas

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

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.