Mainline Backwater Valve

The combination mainline adapt a valve backwater valve is a break through in technology and is quickly setting a new standard across north america.

Mainline backwater valve.

The ml 4963 valve has a patented normally open design to allow for free circulation. Automatic backwater valve and parts. These check valves are also sometimes referred to as backflow prevention valves or backflow preventer valves. Extendable 4 inspection chamber.

A backwater valve will stop water or sewage from flowing into your house should the main sewer line become overloaded. Extendable adapt a valves and parts. Mainline backflow products adapt a valve 3 in. Full port backwater valves and parts.

Mml3xp to see availability for this product person log in or get online access. Extendable straight fit valves and parts. Home brands ab a mainline backwater valves. Fullport retro ml fr4 bladder seal english brochure français brochure specs approvals english brochure français brochure english brochure.

Inside the valve is a small flap that is normally open allowing water to exit your home. Pvc hub backwater valve part. In most cases you can check to see if it s working properly by looking through the clear cover on the backwater valve access box. Backwater valve access box the alarm alerts building owners when valves activate during a sewer backup.

Can be easily installed in any mainline valve by simply replacing the cleanout.