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The VALUE COLLECTION 4SLB903/8 is a 90-degree street elbow fitting designed for threaded pipe installations requiring a directional change within a tight space. Constructed from 304 stainless steel, this Schedule 40 fitting connects via FNPT on one end and MNPT on the other, allowing it to thread directly into a female-threaded fitting without a nipple. It carries a 150 psi pressure rating and fits 3/8 inch pipe. Plumbers and pipefitters use street elbows when space constraints make a standard elbow-plus-nipple combination impractical. The 304 stainless steel construction provides corrosion resistance suitable for a range of fluid and gas service applications.
This fitting is used in residential and light commercial plumbing, HVAC piping, and industrial process lines where 3/8 inch threaded connections are required and a 90-degree change of direction is needed. The FNPT x MNPT configuration makes it a street-style fitting, meaning one end is male-threaded to mate directly with a female-threaded port or fitting. Schedule 40 wall thickness supports standard working pressures up to 150 psi. Licensed plumbers and pipefitters typically install this type of fitting during new construction, retrofits, or repair work involving threaded steel or stainless pipe systems.
Designed as an OEM-style replacement or new-installation fitting for 3/8 inch Schedule 40 threaded pipe systems using standard NPT connections.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local plumbing codes and the International Plumbing Code (IPC). Shut off and depressurize the affected pipe system before removing or installing any threaded fitting. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly to ensure a leak-free connection. Do not over-torque threaded stainless steel fittings, as galling can occur on stainless threads.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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