Holyoke 5/16” Copper Flare Seal Bonnet | Flare Cap Fitting for LP & Gas Systems

SKU: B146-5

Weight	2 lbs
Dimensions	9 × 7 × 1 in

$7.95

In stock — available to order.

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Same-item volume pricing

Quantity	Unit price	Saving
1–4	$7.95	0%
5–9	$7.55	5%
10+	$7.16	10%

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Holyoke 5/16” Copper Flare Seal Bonnet | Flare Cap Fitting for LP & Gas Systems

Specifications & product details

Overview

Holyoke 5/16” Copper Flare Seal Bonnet – MFG# B146-5 (DLP# 5K530)This premium copper flare seal bonnet from Holyoke is engineered for reliable, leak-free sealing in LP gas, propane, natural gas, refrigeration, and HVAC flare-tube systems. Designed for 5/16-inch flare connections, this bonnet cap provides a secure seal for unused flare ports or capped lines.Manufactured from high-quality copper, it offers excellent corrosion resistance, dependable sealing performance, and long service life — ideal for technicians, installers, and industrial service professionals.Key FeaturesFits 5/16″ flare tubing connectionsDurable copper construction for gas and HVAC environmentsProvides a tight, leak-resistant sealPerfect for sealing capped flare ports on LP, propane, or HVAC linesPrecision-formed flare bonnet for professional performanceCommon ApplicationsLP Gas & Propane SystemsNatural Gas Line TerminationsHVAC & Refrigeration ServiceFlare Cap Sealing for Maintenance and SafetyIndustrial Piping SystemsStock Notes (From Image)

Product details

Part / SKU	B146-5

Package includes

Holyoke 5/16” Copper Flare Seal Bonnet | Flare Cap Fitting for LP & Gas Systems

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

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