These valves are typically installed inside in the basement floor for easy access.
Mainline fullport backwater valve price.
Model 4963 mainline fullport backwater valves for use with 4 schedule 40 drainage pipe.
Mainline backwater valve combo with access box 99 00 value if purchased separately valves without access box are also available with a slight shipping discount in the price.
The mainline 4963 full port backwater valve is the flagship of the company.
We also ship our mainline backwater valves in combination with an access box at a reduced combo price an 99 00 value.
Backwater valve pricing our mainline combo fullport backwater valves are available in abs pictured at right and pvc and priced with and without access boxes.
If you need your installation to be flush with the basement floor level it is recommended that you install this valve in an access box available below.
Mainline backwater valve combo with access box 99 00 value if purchased separately valves without access box are also available with a slight shipping discount in the price.
Mainline fullport backwater valve.
Established in 1997 this valve has revolutionized sewer protection across north america with its patented normally open gate design.
Mainline fullport backwater valves offer the right solution for your sewer backup problems.