Check it out! New Mainline Faucet Collections!

Poly Alloy PEX Male Adapter 90 Elbow PEXCR-MIP $0.00
Pro-Versa Tub & Shower Diverter Rough-in Valve
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8 Inch No Freeze Hydrant Full Turn/1/2” NPT/SWEAT


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Why Mainline?

Because we know the industry.  Because we innovate for it.  Because we adapt to it.  Because we are constantly expanding our line to support your needs.  Because we help you propel each project with quality products fit for a PRO.

Mainline. Preferred by the Pros.

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