1-1/2″ x 48″ Black Pipe Nipple Threaded Steel NPT Gas HVAC Plumbing 1K181L

Overview

1-1/2" × 48" Black Steel Pipe Nipple – NPT Threaded for Gas & HVAC PlumbingThis 1-1/2" × 48" black pipe nipple is a heavy-duty threaded steel fitting used for natural gas, LP gas, commercial HVAC installations, boilers, furnaces, and industrial plumbing applications. Manufactured from robust black steel with precision-machined NPT tapered threads, this nipple ensures a secure, leak-free connection suitable for high-demand environments.

At 48 inches in length, this pipe nipple is ideal for long gas line extensions, equipment stand-offs, commercial boiler rooms, and large-diameter HVAC gas infrastructure.

Key Features1-1/2" × 48" NPT threaded black steel pipe nipple

Perfect for natural gas, propane, HVAC, and industrial applications

Heavy-duty wall thickness for demanding installations

Precision-cut NPT threads ensure leak-resistant joints

Durable black finish helps protect against corrosion

Compatible with all standard 1-1/2" black pipe fittingsCommon ApplicationsNatural gas & LP gas distribution lines

Commercial furnaces & boilersLarge gas water heatersRestaurant & industrial gas linesCompressed air systems (where allowed)HVAC system piping

Industrial process plumbingModel Details

Brand: B AND K LLCREM#: 1K181L

Size: 1-1/2" × 48"

Material: Black carbon steelThread

Type: NPT (both ends)

Product details

Part / SKU	1K181L

Package includes

• 1-1/2" x 48" Black Pipe Nipple Threaded Steel NPT Gas HVAC Plumbing 1K181L

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