Value Collection 4RSB3/4*3/8 Pipe Reducer 316 Ss Fnpt

Product Description

The VALUE COLLECTION 4RSB3/4*3/8 is a threaded pipe reducer fitting designed to connect a 3/4-inch female pipe thread to a 3/8-inch female pipe thread in a single inline transition. Constructed from 316 stainless steel, this fitting handles a pressure rating of 150 psi and is suited for Schedule 40 piping systems. The FNPT x FNPT end connections allow straightforward installation with standard pipe thread engagement. Plumbers, pipefitters, and mechanical contractors use this type of reducer wherever a line reduction is required between two threaded female-port connections in fluid or gas distribution systems.

This fitting is appropriate for residential and light commercial plumbing, process piping, and HVAC hydronic systems where a reduction from 3/4-inch to 3/8-inch pipe is needed. The 316 stainless steel construction provides corrosion resistance in wet, saline, or mildly corrosive service environments, making it a practical choice for marine, coastal, or chemical-adjacent installations where standard carbon steel fittings would be unsuitable.

Key Features

• 316 stainless steel construction for enhanced corrosion resistance in demanding environments
• FNPT x FNPT threaded end connections for tool-only installation without welding or soldering
• 150 psi pressure rating suitable for Schedule 40 threaded piping systems
• Inline 3/4-inch to 3/8-inch reduction in a compact, single-piece fitting body
• Schedule 40 compatible for standard commercial and residential pipe installations

Compatibility

Designed as an OEM-style replacement or new-installation fitting for Schedule 40 threaded pipe systems using 3/4-inch and 3/8-inch FNPT connections rated to 150 psi.

Installation Notes

Installation is performed by a licensed plumber or qualified pipefitter in accordance with applicable plumbing codes such as the IPC. Shut off the system fluid supply and relieve all line pressure before removing or installing any threaded fitting. Apply an approved thread sealant or PTFE tape to the male threads mating to this fitting. Do not over-torque the connection, as 316 stainless steel threads can gall if excessive force is applied without proper lubrication.