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78122 Viega ProPress reducer Smart Connect technology Copper, 2'' x 1-1/2''
Manufacturer Resources
Product Specs
- Connection Type:
- FTG x P
- Material Type:
- Copper
- Product Dimension:
- 2'' x 1-1/2''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Reducers
- Product Type:
- Reducer
- Product Length:
- 2.126"
- Product Height:
- 2.126"
- Product Weight:
- 0.596 lbs
- Product Width:
- 4.055"
- Product Material:
- Copper
Viega 78122 – Frequently Asked Questions
1) What does FTG x P mean on the Viega 78122 ProPress reducer?
FTG x P describes the two ends. The 2 inch end is a fitting-end (FTG), sized like copper tube so it presses into the socket of another 2 inch ProPress fitting or a 2 inch press coupling. The 1-1/2 inch end is a press socket (P) that accepts 1-1/2 inch copper tube. So it reduces 2 inch down to 1-1/2 inch without needing an extra coupling on the large side.
2) Is the Viega 78122 reducer for copper pipe or PEX?
Copper. The 78122 is a copper ProPress reducer and both ends are made for copper tube systems, 2 inch on the fitting end and 1-1/2 inch on the press socket. It is not a PEX fitting and it is not intended for steel pipe.
3) Do I still need to solder anything when using a ProPress copper reducer?
No torch work. The 78122 is a press-connect reducer, so both joints are made cold with a press tool and the correct 2 inch and 1-1/2 inch jaws or rings. That is why it gets specified on occupied buildings and retrofits where a hot work permit is a problem.
4) What is the Smart Connect feature on Viega ProPress fittings actually for?
It is a small feature in the sealing area of the press socket that lets water or air escape past the seal if the joint has not been pressed. During pressure testing an unpressed 78122 leaks visibly instead of holding, so the crew finds the missed connection before the wall closes up.
5) How much space does the Viega 2 inch x 1-1/2 inch ProPress reducer take up?
The 78122 measures 2.126 inches in height and length with a width of 4.055 inches, and it weighs 0.596 lbs. Worth checking against tight joist bays or close-packed risers, since you also need clearance around the fitting for the press jaw to close squarely on each end.
How fast can I get the Viega 78122 delivered?
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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 78122 come with a warranty?
Absolutely. The Viega 78122 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 78122?
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