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78162 Viega ProPress reducer Smart Connect technology Copper, 1-1/2'' x 1-1/4''
Manufacturer Resources
Product Specs
- Connection Type:
- P1 x P2
- Country Of Origin:
- Made In Germany
- Material Type:
- Copper
- Product Dimension:
- 1-1/2'' x 1-1/4''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Reducers
- Product Type:
- Reducer
- Product Length:
- 2.122"
- Product Height:
- 2.122"
- Product Weight:
- 0.41 lbs
- Product Width:
- 2.961"
Viega 78162 – Frequently Asked Questions
1) What size copper pipe does the Viega 78162 ProPress reducer connect?
The Viega 78162 is a 1-1/2 inch by 1-1/4 inch reducer, so it takes you from 1-1/2 inch copper tube down to 1-1/4 inch. Both ends are press connections (P1 x P2), not solder cups or threads, so each side crimps onto copper tube with a press tool and jaw sized for that diameter.
2) Do I need two different press jaws to install a 1-1/2 x 1-1/4 ProPress reducer?
Yes. Each end is a separate press diameter, so the 1-1/2 inch end gets a 1-1/2 inch jaw or ring and the 1-1/4 inch end gets a 1-1/4 inch jaw or ring. Plan both on the truck before you cut the line.
3) Is the Viega 78162 reducer copper or bronze, and can I run it on a copper potable water line?
It's a copper-body fitting, so it's the matching material for copper tube systems and won't introduce a dissimilar-metal joint the way a bronze or brass body would. The press ends mate to standard copper tube at 1-1/2 inch and 1-1/4 inch.
4) How much room do I need to fit the Viega 78162 reducer between two fittings?
Allow roughly 2.122 inches of length for the body, with a 2.961 inch width across the fitting. Add clearance beyond that for the press tool jaw to close squarely around each end, which is usually the limiting factor in a tight chase or next to a joist.
5) What is Smart Connect on the Viega 78162, and why does it matter on a pressure test?
Smart Connect is Viega's unpressed-connection feature: an unpressed fitting will leak visibly during test so you find the joint you skipped rather than discovering it after the walls close. On a reducer like this it matters twice, because there are two separate presses to make and it's easy to crimp one end and walk away.
6) Can I use the 78162 reducer to step a 1-1/2 inch branch down for a 1-1/4 inch valve or riser?
That's exactly what it's for. It's a straight-through reducing coupling, copper body, 1-1/2 inch on one side and 1-1/4 inch on the other, both press. It does not change direction and it does not give you a threaded port, so if you need to land on a threaded valve you want a press-by-thread adapter downstream of it instead.
7) Where is the Viega 78162 ProPress reducer manufactured?
Made in Germany. That matters on federal, institutional, and some municipal jobs where country of origin has to be documented in the submittal package.
How fast can I get the Viega 78162 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 78162 come with a warranty?
Absolutely. The Viega 78162 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 78162?
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