Holyoke 5/8” Copper Flare Seal Bonnet | MFG# B146-10 Gas Line End Cap Fitting

SKU: B146-10

Weight	1 lbs
Dimensions	9 × 7 × 2 in

$2.58

In stock — available to order.

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Quantity	Unit price	Saving
1–4	$2.58	0%
5–9	$2.45	5%
10+	$2.32	10%

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Holyoke 5/8'' Copper Flare Seal Bonnet | MFG# B146-10 Gas Line End Cap Fitting

Specifications & product details

Overview

Heavy-Duty 5/8" Copper Flare Seal Bonnet for Gas, HVAC & Refrigeration LinesThis Holyoke 5/8" Copper Flare Seal Bonnet (MFG# B146-10) is a precision-machined flare end cap designed to seal propane, LP gas, natural gas, and HVAC refrigeration lines. Made from high-quality copper, it provides a tight, leak-resistant seal for 5/8" flare connections and is ideal for service work, line terminations, or preventing dirt and moisture intrusion.

Perfect for use in propane systems, AC service lines, refrigeration tubing, and mechanical gas piping, this bonnet fits standard SAE flare fittings and ensures long-term durability in residential, commercial, and industrial applications.✔ Key FeaturesFits 5/8" SAE flare connectionsHigh-quality copper construction for corrosion resistance

Provides secure sealing for gas, HVAC, and refrigeration lines

Ideal for service caps, line termination, and pressure testingMachined for precise flare seating and leak prevention✔ Compatible Applications

Propane & LP gas distribution linesHVAC refrigerant service lines (R-22, R-410A, etc.)Natural gas service manifoldsCopper flare HVAC and mechanical piping systems✔ Manufacturer Info

Brand: HOLYOKEMFG# B146-10DLP#: 5K533This is a brand-new, high-quality industrial flare bonnet ready for immediate use.

Product details

Part / SKU	B146-10

Package includes

Holyoke 5/8'' Copper Flare Seal Bonnet | MFG# B146-10 Gas Line End Cap 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.

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