Value Collection 13373 Square Plug 3/4 in Threaded Steel

Product Description

The VALUE COLLECTION 13373 is a 3/4-inch threaded square plug used to seal open pipe ends in plumbing, HVAC, and industrial piping systems. Manufactured from steel with a black finish, this Class 150 fitting carries a pressure rating of 300 psi, making it suitable for both liquid and gas service. The square head drive allows for easy wrench engagement during installation and removal. Plumbers, pipefitters, and HVAC technicians install this type of plug to cap unused branch outlets, test ports, or temporarily seal lines during system commissioning.

This square plug is suited for residential and light commercial piping applications where a threaded steel plug is required to seal 3/4-inch NPT female openings. Common applications include gas distribution manifolds, water supply systems, steam lines, and compressed air piping operating within Class 150 service parameters. The black finish is standard for use with black iron pipe assemblies. Sold in a package quantity of 5 units per order.

Key Features

• 3/4-inch threaded end connection for standard NPT fittings
• Steel construction rated to 300 psi for liquid and gas service
• Class 150 pressure classification
• Black finish compatible with black iron pipe systems
• Square head profile allows positive wrench engagement
• Package quantity of 5 plugs per unit

Compatibility

Designed as an OEM-style replacement or standard stock fitting for 3/4-inch threaded female NPT pipe connections in Class 150 steel piping systems.

Installation Notes

Installation is performed by licensed plumbers, pipefitters, or qualified HVAC technicians. Shut off system pressure and depressurize the line completely before installing or removing any threaded plug. Apply an appropriate thread sealant or PTFE tape to the male threads before tightening. Follow applicable codes including the International Fuel Gas Code (IFGC) or International Plumbing Code (IPC) for pipe sealing requirements in gas and water systems respectively.