Check it out! New Mainline Faucet Collections!

ALL PRODUCTS
Bathrooms

Fittings

Commercial

Chemicals & Adhesives

Drains

Valves

Kitchen

Rough Plumbing

Specialties

Stops & Supplies

Tubular

Hangers & Fastners

water system

Bath Accessories

Hand Showers

Lavatory Drains

Lavatory Faucets

Lavatory Sinks

Roman Tub Faucets

Rough-in Valves

Shower Components

Shower Drains

Shower Heads

Shower Kits

Toilet Seats

Toilets

Tub Spouts

Push-to-Connect Fittings

Bar stock fittings

Commercial Accessories

Commercial Lav Sinks

Commercial Toilet Seats

Faucets

Grab Bars

Grid Drains

Cements

Trap Seals

Boiler Drain Valves

Frost Free Faucets

Bar Faucets

Kitchen Faucet

Laundry Faucet

Sink Strainer

Stainless Steel Sink

Soap Dispensers

Sink Bottom Grids

Tub Boxes & Liners

Ice maker Outlet Boxes

Drain Pans

Fire Rated Outlet Boxes

Installation Accessories

Multi Box Outlet Boxes

Roof Flashings

Test Plugs

Washing Machine Outlet Box

Leak detection kits

Roto Molded Coolers

Gas Connector

Stops

Connectors

Brass Tubular

Flanges

Tubular Components

Pipe Clamps, Insulators & J-Hooks

Transfer Pumps

Sump Pumps

Sewage Pumps

Utility Pumps

Battery Back-ups

Condensate Pumps

Effluent Pumps

Jet Pumps

PVC/ABS Valves

Remote Sink/Drain Pump System
About Mainline®
Resources
Where to Buy
Find Parts

Battery Back-ups

Show 12 20 30 All

Sidebar

Close

Battery Back-ups (2)

Emergency Back-up Sump (1)
Pre-Assembled Back-up Kit (1)

Active (2)

Pre-Assembled Primary & Secondary Sump Pump Backup Kit

Model #: MLP72941

View products

Emergency Backup Sump Pump System

Model #: MLP72910

View products

Find It Fast

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.

MAINLINE COLLECTION | © 2024 EMCO CORPORATION