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84790 Viega MegaPress adapter Smart Connect technology Carbon steel, 1-1/2'' x 1''
Manufacturer Resources
Product Specs
- Connection Type:
- P x FPT
- Material Type:
- Carbon Steel
- Product Dimension:
- 1-1/2'' x 1''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Adapters
- Product Type:
- Tee
- Product Length:
- 3.638"
- Product Height:
- 2.437"
- Product Weight:
- 0.976 lbs
- Product Width:
- 2.437"
- Product Material:
- Carbon steel
Viega 84790 – Frequently Asked Questions
1) What do the 1-1/2 inch and 1 inch sizes on the Viega 84790 MegaPress adapter actually connect to?
The Viega 84790 is a P x FPT adapter: the 1-1/2 inch end is the press connection that goes onto carbon steel pipe, and the 1 inch end is female pipe thread. So you press one side onto the pipe and thread a male NPT nipple, valve, or component into the other. If you need thread on the large end instead, the 84790 is not the part.
2) Can I use the Viega 84790 MegaPress fitting on copper or PEX?
No. The 84790 is carbon steel and the press end is made for carbon steel pipe. Copper and PEX take different press systems with different sealing elements and jaws. Use it on black iron or carbon steel pipe runs only.
3) Is the Viega 84790 MegaPress adapter a tee or a straight adapter?
It is an adapter, with one press end and one female threaded end. It takes a single pipe connection to a thread, not three branches, so it is not the part for a branch takeoff.
4) Will a carbon steel MegaPress adapter work on a potable water line?
Carbon steel fittings and pipe are used for gas, compressed air, hydronic heating, chilled water, fire protection and similar closed systems, not potable water, where copper, stainless or PEX is used instead. The 84790 is a carbon steel body, so size it for those non-potable services.
How fast can I get the Viega 84790 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 84790 come with a warranty?
Absolutely. The Viega 84790 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 84790?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Viega 84790 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.