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25366 Viega MegaPressG tee Smart Connect technology Carbon steel, 1-1/2'' x 1-1/2'' x 3/4''
Manufacturer Resources
Product Specs
- Connection Type:
- P1 x P2 x P3
- Material Type:
- Carbon Steel
- Product Dimension:
- 1-1/2'' x 1-1/2'' x 3/4''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Tees
- Product Type:
- Tee
- Product Length:
- 6.87"
- Product Height:
- 2.437"
- Product Weight:
- 1.79 lbs
- Product Width:
- 3.858"
- Product Material:
- Carbon steel
Viega 25366 – Frequently Asked Questions
1) What size runs and branch does the Viega 25366 MegaPressG tee cover?
The Viega MegaPressG tee, model 25366, is a reducing tee sized 1-1/2 inch x 1-1/2 inch x 3/4 inch. The run stays 1-1/2 inch and the branch drops to 3/4 inch, so it is what you use to tap a 3/4 inch takeoff off a 1-1/2 inch line without adding a separate bushing or reducer.
2) Are all three ends of the Viega 25366 tee press ends, or is one threaded?
All three ends are press. The connection type is listed P1 x P2 x P3, meaning press on both 1-1/2 inch run ends and on the 3/4 inch branch. There is no thread or socket on this fitting, so every joint gets made with a press tool and the matching jaw or ring for that size.
3) Is the MegaPressG 25366 tee the right fitting for a black iron gas line, or do I need the standard MegaPress version?
MegaPressG is the gas-rated line within Viega's press system, and the 25366 is a MegaPressG carbon steel tee. Standard MegaPress carbon steel fittings carry a different sealing element and are intended for non-gas service. If the line you are pressing is fuel gas, MegaPressG is the family you want; for water or hydronic on black steel pipe, order the plain MegaPress equivalent instead.
4) Can I press the Viega 25366 onto copper tube or stainless pipe?
No. This is a carbon steel fitting, dimensioned for carbon steel (black iron) pipe in 1-1/2 inch and 3/4 inch. Copper tube takes a copper press fitting such as ProPress, and stainless pipe takes the stainless version of the press system. Mixing the fitting material to the pipe material will not seal.
5) How much room do I need to fit this 1-1/2 inch press tee in a tight chase?
Plan around a fitting that measures 6.87 inches long, 3.858 inches wide and 2.437 inches high. The press tool jaws need clearance beyond that at each end, so in a crowded chase or close to a joist you want to check swing room for the jaw before you commit to the takeoff location.
6) What does Smart Connect do on a MegaPressG fitting?
Smart Connect is Viega's unpressed-connection feature built into the sealing element: an unpressed joint leaks deliberately during pressure testing so you can find it before the system is covered up. It is a commissioning aid, not a substitute for pressing. On a job with dozens of joints it is the reason a missed press gets caught at test rather than after the wall closes.
7) Do I need to thread or weld the pipe for this tee, or just cut and press?
No threading and no welding. All three ends press, so the pipe is cut square, deburred, marked for insertion depth and pressed with the correct jaw. That is the practical reason crews choose press over threaded on an occupied building: no hot work and no cutting oil, and a 3/4 inch branch off a 1-1/2 inch main goes in with this single fitting.
8) Is the Viega 25366 tee made in the USA?
It is made in Germany. For projects with domestic-sourcing requirements on the submittal, that matters, so verify the origin language in your spec before you buy in quantity.
9) How heavy is a 1-1/2 inch MegaPressG tee for hanger and support planning?
The fitting weighs 1.79 lbs on its own. That is light relative to the 1-1/2 inch carbon steel pipe it joins, but on a long horizontal run with several branches it is worth counting the fitting weight into your hanger spacing rather than treating the line as uniform pipe.
How fast can I get the Viega 25366 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 25366 come with a warranty?
Absolutely. The Viega 25366 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 25366?
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