You may also like
91540 Viega PureFlow Press adapter Zero Lead Bronze, 3/4'' x 3/4''
Manufacturer Resources
Product Specs
- Connection Type:
- P x FPT
- Material Type:
- Bronze
- Product Dimension:
- 3/4'' x 3/4''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Adapters
- Product Type:
- Adapter
- Product Length:
- 1.201"
- Product Height:
- 1.26"
- Product Weight:
- 0.141 lbs
- Product Width:
- 1.378"
- Product Material:
- Bronze
Viega 91540 – Frequently Asked Questions
1) What does the Viega 91540 PureFlow adapter connect to on each end?
The Viega 91540 is a press-by-female-pipe-thread adapter: one end is a 3/4 inch PureFlow press socket for PEX tubing, the other is 3/4 inch female NPT. Use it where a PEX run has to pick up a male-threaded component such as a valve nipple, boiler nipple, or threaded stub-out. It will not accept copper tube or male thread, so if your threaded part is female you need a press-by-male-thread adapter instead.
2) Can I use the Viega 91540 with 1/2 inch PEX or 1 inch PEX?
No. Both ends of the 91540 are 3/4 inch, so the press end takes 3/4 inch PEX only and the thread is 3/4 inch FPT. For a different tubing size you need the matching size in the PureFlow press adapter range, or a press coupling to step the run before the adapter.
3) Is the Viega 91540 adapter safe for potable drinking water lines?
It's a zero lead bronze body, which is the alloy Viega uses on PureFlow fittings for potable hot and cold water distribution. That makes it suitable for domestic water in residential and commercial buildings. The fitting is made in Germany.
4) How much room do I need to press the Viega 91540 in a tight joist bay or wall cavity?
The fitting itself is compact: 1.201 inches long, 1.378 inches wide across the press ring area, and 1.26 inches high, at 0.141 lbs. Plan clearance beyond that for the press tool jaw to seat squarely around the press sleeve and rotate, which is usually the limiting factor rather than the fitting body.
5) Should I use a bronze press adapter or a polymer one for a PEX-to-thread transition?
Bronze is the choice where the joint takes mechanical load or repeated service: a threaded transition at a water heater, a boiler, a hose bibb, or a valve where someone will wrench on it. The 91540 is a zero lead bronze body for exactly that. Polymer PureFlow adapters suit low-stress, concealed transitions where you want no metal in the water path. If the thread will ever be broken and remade, go bronze.
6) What part number do I order for the 3/4 inch PureFlow press x FPT bronze adapter?
Order Viega 91540. That is the manufacturer part number for the zero lead bronze PureFlow press adapter, 3/4 inch press by 3/4 inch FPT.
How fast can I get the Viega 91540 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 91540 come with a warranty?
Absolutely. The Viega 91540 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 91540?
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 91540 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.