Anvil International 1-1/4" Black Steel Pipe Coupling – Female NPT Gas FittingThis Anvil International COF3-G 1-1/4" black pipe coupling is a high-quality, industrial-grade fitting designed for propane (LP), natural gas, and fuel gas systems. Built from durable malleable iron/black steel, this coupling features precision-cut female NPT threads on both ends, ensuring a secure, leak-tight connection in demanding gas service applications.Ideal for joining two lengths of threaded gas pipe, this fitting is commonly used in bulk plant piping, LP tank service, residential and commercial natural gas lines, HVAC heating systems, and industrial plumbing installations.Key Features1-1/4" Female NPT × 1-1/4" Female NPT threaded couplingHeavy-duty malleable iron construction with protective black coatingCorrosion-resistant finish suitable for propane and natural gas servicePrecision-machined threads for maximum sealing performanceCompatible with gas regulators, manifolds, tank piping, tees, and nipplesTrusted Anvil International quality, used widely in industrial gas applicationsApplicationsLP gas piping systemsPropane tank outlet plumbingNatural gas furnace/boiler pipingIndustrial gas distributionHVAC contractor installationsOEM Product IdentifiersBrand: Anvil InternationalManufacturer Number: MFG# COF3-GDLP Number: 1K597FS

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.