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84785 Viega MegaPress adapter Smart Connect technology Carbon steel, 1-1/2'' x 3/4''
Manufacturer Resources
Product Specs
- Connection Type:
- P x FPT
- Material Type:
- Carbon Steel
- Product Dimension:
- 1-1/2'' x 3/4''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Adapters
- Product Type:
- Adapter
- Product Length:
- 3.697"
- Product Height:
- 2.437"
- Product Weight:
- 0.882 lbs
- Product Width:
- 2.437"
- Product Material:
- Carbon steel
Viega 84785 – Frequently Asked Questions
1) What connections does the Viega MegaPress 84785 adapter have?
The Viega 84785 MegaPress adapter is P x FPT: one press end and one female pipe thread end. The sizes are 1-1/2 inch by 3/4 inch, so you press onto the larger carbon steel pipe side and thread into the 3/4 inch side.
2) Can I use the Viega 84785 MegaPress fitting on copper or PEX?
No. The 84785 is a carbon steel MegaPress fitting, made for black iron / carbon steel pipe. For copper tube you need a Viega ProPress fitting instead, and for PEX a Viega PureFlow fitting.
3) Does the MegaPress 84785 need a special press tool, or can I thread it on?
It is a press-to-thread transition. The 1-1/2 inch side is a press connection that has to be made with a press tool and the correct MegaPress jaw or ring for 1-1/2 inch carbon steel; the 3/4 inch side is female pipe thread, so that end takes a standard male NPT nipple or valve with thread sealant.
4) Is the Viega 84785 carbon steel fitting suitable for potable water?
It is a carbon steel fitting, which is used for gas, hydronic heating, compressed air, fire sprinkler and similar black pipe systems, not potable water. For potable water on copper, use a Viega ProPress bronze or copper fitting.
5) What is Smart Connect on this Viega MegaPress adapter and why does it matter on an inspection?
Smart Connect is Viega's feature that lets an unpressed connection leak detectably during pressure testing, so a missed joint shows up at test rather than after the wall is closed. On a large carbon steel run with many joints it is the main reason crews choose MegaPress over threading every connection.
6) What is the part number and country of origin on the Viega 1-1/2 x 3/4 MegaPress adapter?
Order it as Viega part 84785. It is made in Germany.
7) How heavy is the 84785 fitting for hanger and support planning?
It weighs 0.882 lbs on its own. Light enough that it does not change hanger spacing on a 1-1/2 inch carbon steel run, but account for whatever valve or nipple goes into the 3/4 inch threaded branch.
How fast can I get the Viega 84785 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 84785 come with a warranty?
Absolutely. The Viega 84785 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 84785?
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 84785 from ZenSupply?
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and
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