NEW! Mainline Test Domes

A safe, economical way to pressure test DWV systems without the need for specialized tools.

ELEVATE YOUR EVERYDAY

Timeless Faucets
for Modern Living

OUR PUMPS
JUST GOT
SMARTER

Meet our extensive line of sump, effluent, sewage,
grinder and back-up pumps that also pair with the latest innovations in pump monitoring!

Learn More

MAINLINE WATER FILTRATION

Whole House, Under Counter, Appliance Filtration Solutions - Plus Cartridges

Explore Mainline Filtration

Stainless Steel
Push Connect Fittings

The Push Connect line you know and trust, has expanded to offer an all-new matierial, Stainless Steel! Explore our expanded lineup today and experience why Mainline is the brand preferred by the pros.

Explore Stainless Steel Push Connects

FEATURED PRODUCTS

Find our favorites and our best sellers below.

You'll LOVE our Bathroom Faucets.

Mainline faucets marry the latest finishes with solid construction; abundant replacement parts with a comprehensive warranty, all the essentials to ensure a long-term commitment and a satisfying happily ever after.

Toilets that Positively Make Us Flush!

We’ve taken every detail into consideration with our full range of toilet styles. Whether you’re looking for comfort-designs or high-efficiency options, we have the right model for your every bathroom project.

Mainline HVAC: Reliablity is in the Air!

Providing high-quality heating and cooling systems that keep you in total control of your home’s comfort. Be it an air conditioner, heater, heat pump or minisplit, you can relax and enjoy that just right feeling with Mainline.

We're Just a Little Cooler. That's All.

Work Hard. Play Hard. Mainline® Coolers come in a variety of sizes and styles. Browse our features and benefits plus videos and find the one that’s just right for your next adventure. No matter the size, you'll see why Mainline is just a little cooler.

Armada: Tools that Go the Distance.

Designed to tackle any tough job. Be it wrenches, hammers, pipe cutters, or saws, we know what it takes to get the job done. Armada tools are durable, tough and resistant. Backed by a 1-Year warranty, the Armada line lives up to its name.

Stop Flood Damage Before It Ever Starts.

The Mainline® Floodstop® WiFi Smart Outlet Pump Monitor works with your existing 120V sump or sewage pump and home Wi-Fi network. Just plug in the Smart Outlet Pump Monitor, connect to your Wi-Fi and plug in your pump!

PROSOLUTIONS

One stop, limitless PROtential. Meet the brand most "Preferred by the Pros"

This section provides clear proof that Mainline is the obvious choice. Take a deeper dive into what sets Mainline apart: our quality products. Read up or watch videos on our latest offering. We can help you propel your next project forward with quality products fit for a PRO.