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28640 Viega MegaPressG 45° elbow Smart Connect technology Carbon steel, 4'' x 4''
Manufacturer Resources
Product Specs
- Connection Type:
- P1 x P2
- Material Type:
- Carbon Steel
- Product Dimension:
- 4'' x 4''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Elbows
- Product Type:
- Elbow
- Product Length:
- 11.909"
- Product Height:
- 5.193"
- Product Weight:
- 5.686 lbs
- Product Width:
- 8.583"
- Product Material:
- Carbon steel
Viega 28640 – Frequently Asked Questions
1) Is the Viega 28640 MegaPressG 45 degree elbow a press fitting on both ends, or does one end thread?
Both ends press. The 28640 is a 4 inch by 4 inch press x press elbow (P1 x P2), so it goes onto 4 inch carbon steel pipe with a press tool and jaw at each end. There is no thread or groove on either side, so if you need to land on threaded pipe you'll want a press-by-thread adapter in addition to this elbow.
2) What pipe material does the MegaPressG 4 inch 45 elbow work with?
It's a carbon steel fitting, made for black iron / carbon steel pipe in the MegaPressG system. Use it on steel pipe, not copper or PEX, and keep the system material consistent through the run.
3) What does Smart Connect technology do on this Viega press elbow?
Smart Connect is Viega's feature that makes an unpressed joint show itself: the sealing element is shaped so an unpressed connection leaks deliberately during pressure testing instead of passing and failing later. On a 4 inch MegaPressG 45 elbow buried in a mechanical room, that's how you find the joint you missed before the system goes into service. It does not replace pressing the joint, it only flags the ones you skipped.
4) Do I need any extra parts to make up this 4 inch press elbow joint?
Nothing extra goes inside the fitting, the sealing element is already in it. What you do need is a press tool with 4 inch MegaPress capability and the matching jaw or press ring for 4 inch, plus a clean square pipe cut with the end deburred and marked to depth. The elbow itself is press by press on both ends, so no solder, thread sealant, or groove prep is involved.
How fast can I get the Viega 28640 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 28640 come with a warranty?
Absolutely. The Viega 28640 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 28640?
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product
selection,
installation tips, and troubleshooting. Contact Us
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