Use these PEX Press tees to join ViegaPEX or
FostaPEX tubing. Dimensions = (end x end x middle)
"Zero Lead" identifies Viega products meeting the lead free requirements of California and Vermont law, effective January 1, 2010, as tested and listed against NSF - 61 Annex G.
Viega's new Zero Lead bronze material still has superior dezincification properties as compared to standard bronze press fittings and will carry the same trusted listings required for potable water use. Viega selects top quality materials such as zero lead bronze, Eco Brass®, stainless steel, and durable plastics providing the basis for the very highest standards of quality that Viega is known for.
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Q:Will these work with Rifeng PEX-AL-PEX? If so, is the Viega FostaPex prep tool needed?
A:do not use any other company's pex with viega fittings. I use these fittings all the time. they are the very best you can buy. You are showing 1/2" "T" for pex. I only use FostaPex in 3/4" size. I use it for hot water heating, and very nicely for compressed air lines. You absolutely need to use the prep tool for Fostapex, regardless of the size. Make sure you ream all the way to the stop on the tool. the prepped area is just a tiny bit longer than the depth of the fittings. make sure you bottom out the fitting and hold it tight while compressing.
A:No, PEX Press fittings only work with standard PEX and Viega FostaPEX. We would recommend either PEX-AL-PEX compression or PEX-AL-PEX press (e.g. Uponor MLC fittings) fittings with Rifeng PEX-AL-PEX. You would not need to use a FostaPEX prep tool with Rifeng PEX-AL-PEX, but you would need to use a chamfering tool prior to making any fitting connection.