Will this fitting work with polybutylene pipe? It’s the gray tubing found in most older mobile homes

That's exactly what I use it for and it works great.

The description says it will work on polybutylene pipe.. My package has no mention of polybutylene pipe. My package part number is 3520-1008 not959090

It should work if the size is correct. I don't believe that the material is a concern, but the size is critical.

This will fit 1/2in pex tubing....right? i think i have the same piece now but it snapped. but on the broken piece itself it says 5/8

Yes it would fit 1/2 PEX. It is a 1/2x1/2 fip elbow

Will this fitting plug into a 1/2cts x 5/8od potable tubing? Thanks!

This is used in conjunction with PEX tubing.

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Description

🔧 Connect smarter, flow faster, leak never!

DIY READY DESIGN - No tools or inserts needed—perfect for fast, reliable pipe repairs.
ZERO LEAK ASSURANCE - Innovative O-ring guide guarantees a watertight seal every time.
BOOSTED FLOW CAPACITY - External tubing connection increases water flow vs. traditional barb fittings.
EFFORTLESS 360 SWIVEL - Rotate tubing under max pressure for ultimate installation flexibility.
UNIVERSAL COMPATIBILITY - Seamlessly connects copper, CPVC, PEX, and more—hot or cold water ready.

The Watts AquaLock 1/2" CTS x 1/2" NPS Quick Connect Female Swivel Elbow is a durable, plastic plumbing fitting designed for versatile use with multiple tubing types including copper, CPVC, and PEX. Featuring a unique O-ring for zero leaks and a swivel design that maintains connection under pressure, it supports both hot and cold water lines with easy, tool-free installation. Rated for 250 psi at 75°F and 100 psi at 180°F, this fitting enhances flow capacity and is ideal for dynamic plumbing applications.

Specifications

Size	1/2 Inch
Material	Plastic
Brand	Watts
Color	White
Item dimensions L x W x H	12.12 x 9 x 4.56 inches
Connector Type	Elbow
Exterior Finish	Plastic
Thread Type	NPT
Item Weight	0.01 Pounds
Number of Pieces	1
Global Trade Identification Number	00098268299373
Manufacturer	Watts AquaLock
UPC	098268299373
Part Number	3510-1012 (P-617)
Item Weight	0.16 ounces
Product Dimensions	12.12 x 9 x 4.56 inches
Item model number	P-635
Is Discontinued By Manufacturer	No
Finish	Plastic
Item Package Quantity	1
Measurement System	inch
Included Components	Quick Connect Female Swivel Elbow
Batteries Included?	No
Batteries Required?	No
Warranty Description	One year limited warranty

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