Backwater Valves

Backwater valves are protective devices installed in a plumbing drainage system to prevent the reverse flow of wastewater (sewage) from entering a building. Backwater valves are are typically installed in a horizontal drain line with access for inspection and maintenance. Most backwater valves are designed with an internal flapper, which allows normal flow out, but prevents reverse flow back in. This helps protect interior spaces from flooding, contamination, and property damage - especially in buildings with fixtures located below street level, such as basements, where the risk of sewage backup is higher.

Backup Float Valve

803-2PK2

Item Number: 803-2PK2

2'' Backup Float Valve, Bagged

Backup Float Valve

803-3PK2

Item Number: 803-3PK2

3'' Backup Float Valve, Bagged

Backup Float Valve

803-4PK2

Item Number: 803-4PK2

4'' Backup Float Valve, Bagged

DWV Backwater Valve

869-2A

Item Number: 869-2A

2'' ABS Hub

DWV Backwater Valve

869-2P

Item Number: 869-2P

2'' PVC Hub

DWV Backwater Valve

869-2PS

Item Number: 869-2PS

2'' PVC Hub w/ Extension Sleeve Kit

DWV Backwater Valve

869-6P

Item Number: 869-6P

6'' PVC Hub

ProCheck™

869-S3A

Item Number: 869-S3A

3'' ABS Hub

ProCheck™

869-S3APK

Item Number: 869-S3APK

3'' ABS Hub

ProCheck™

869-S3AS

Item Number: 869-S3AS

3'' ABS Hub w/ Shallow Access Sleeve Kit

ProCheck™

869-S3P

Item Number: 869-S3P

3'' PVC Hub

ProCheck™

869-S3PPK

Item Number: 869-S3PPK

3'' PVC Hub

ProCheck™

869-S3PS

Item Number: 869-S3PS

3'' PVC Hub w/ Shallow Access Sleeve Kit

ProCheck™

869-S4A

Item Number: 869-S4A

4'' ABS Hub

ProCheck™

869-S4APK

Item Number: 869-S4APK

4'' ABS Hub

ProCheck™

869-S4AS

Item Number: 869-S4AS

4'' ABS Hub w/ Shallow Access Sleeve Kit

ProCheck™

869-S4P

Item Number: 869-S4P

4'' PVC Hub

ProCheck™

869-S4PPK

Item Number: 869-S4PPK

4'' PVC Hub

ProCheck™

869-S4PS

Item Number: 869-S4PS

4'' PVC Hub w/ Shallow Access Sleeve Kit