Viega 79365 ProPress adapter 1-1/2" x 1-1/2" trap
Copper press-to-thread adapter joins 1-1/2" tube to 1-1/2" FNPT for potable water at 200 psi and 250 °F
- Product typeDrain Components
- Main materialHAWA
- Bronze construction resists corrosion for long service life
- Press-fit connection eliminates open-flame soldering on the job site
- EPDM O-ring seals reliably in potable-water systems
- Rated to 200 psi and 250 °F for demanding installations
- Meets ASTM B75 and ASTM B88 material standards
ProPress Adapter 1-1/2" Press-Fit to FNPT
The Viega 79365 is a bronze crimp adapter fitting designed for potable water systems. It connects a 1-1/2 inch press-fit copper tube to a 1-1/2 inch FNPT threaded connection using a straight adapter configuration with an EPDM O-ring seal.
Suits Press-Fit Copper Installations.
This fitting suits plumbers joining 1-1/2 inch copper tubing to female threaded pipe using the ProPress system. Installers working with steel, PEX, CPVC or other pipe materials, or those needing sweat, push-fit or compression connections, should look at alternative fittings designed for those specific joint types.
Rated 200 psi at 250 Degrees F; Bronze Body
The bronze construction and EPDM seal handle pressures up to 200 psi and temperatures up to 250 degrees F, meeting ASTM B75 and ASTM B88 standards for potable water service. Headroom exists for typical residential and commercial hot water loops; systems exceeding these pressure or temperature limits require fittings with higher ratings.
How it compares
Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.
- Price $39.99
- Pricier than about 56% of the 4,240 comparable items (median $31.99).
Specifications
| Product | |
|---|---|
| Brand name | Viega |
| Model name | 79365 |
| Product type | Drain Components |
| Size & build | |
| Main material | HAWA |
Questions about this item
What press tool and jaw size are required to install the 1-1/2" ProPress connection?
Use a Viega ProPress tool with the matching 1-1/2" jaw or ring to press the bronze adapter onto the copper tube.
Can the FNPT end thread directly into a legacy 1-1/2" iron pipe fitting?
Yes, the 1-1/2" FNPT side follows standard NPT taper so it mates with existing threaded pipe or fittings of the same size.
How do I confirm the joint is leak-free after pressing?
Pressurize the system up to 200 psi at room temperature and inspect the EPDM O-ring seal for any water escape.
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