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49404 Viega PureFlow Press coupling Smart Connect technology Polymer, 3/4'' x 3/4''
Manufacturer Resources
Product Specs
- Connection Type:
- P1 x P2
- Country Of Origin:
- United States
- Material Type:
- Polymer
- Product Dimension:
- 3/4'' x 3/4''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Couplings
- Product Type:
- Coupling
- Product Length:
- 1.669"
- Product Height:
- 1.087"
- Product Weight:
- 0.04 lbs
- Product Width:
- 1.087"
- Product Material:
- Polymer
Viega 49404 – Frequently Asked Questions
1) What size PEX tubing does the Viega 49404 PureFlow coupling join?
The Viega 49404 is a 3/4 inch by 3/4 inch straight coupling, so it joins two runs of 3/4 inch PEX tubing. Both ends are press connections (P1 x P2), meaning it is pressed onto the tubing rather than clamped or crimped with a ring tool.
2) Is the Viega 49404 coupling metal or plastic?
Polymer, not brass. That matters on jobs where dezincification or corrosion from aggressive water is a concern, and on potable water systems where a non-metallic body is preferred. If your spec calls for a bronze or brass press fitting, this is not the part.
3) Can I use the Viega 49404 coupling with crimp rings or a clamp tool?
No. The 49404 is a press fitting with press ends on both sides, so it requires a Viega PureFlow press tool and the correct 3/4 inch jaw. Copper crimp rings, stainless clamp rings, and expansion tooling are not interchangeable with it.
4) How much room do I need to install a Viega 3/4 inch PureFlow polymer coupling in a stud bay?
The 49404 measures 1.669 inches in length with a 1.087 inch height and width, so the fitting body itself is compact enough for a standard 2x4 bay. Plan your clearance around the press tool jaw rather than the fitting, since the jaw needs to close fully around the sleeve.
5) What is Smart Connect on the Viega PureFlow press coupling and why does it matter on an inspection?
Smart Connect is Viega's feature that lets an unpressed connection leak intentionally during pressure testing, so a missed press shows up at test instead of after the wall is closed. On a multi-unit or institutional job where every joint gets walked, that is the difference between finding a fault at rough-in and a callback later.
6) Will a 3/4 inch polymer press coupling work for a mid-run repair on existing PEX?
It works as a straight splice between two 3/4 inch tubing ends, but a press coupling needs enough slack to slide the fitting fully into both tube ends and clearance to get the tool jaw around each sleeve. On a tight repair in a joist bay with no play in the tubing, cut back further or plan a short replacement section rather than forcing the fit.
7) How do I order the Viega 3/4 inch PureFlow polymer press coupling by part number?
Order it as Viega part 49404. That single model number covers the 3/4 x 3/4 polymer PureFlow press coupling; there are no finish or size options to specify on it.
How fast can I get the Viega 49404 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Viega 49404 come with a warranty?
Absolutely. The Viega 49404 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Viega 49404?
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product
selection,
installation tips, and troubleshooting. Contact Us
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