Reduce the risk of sewer water coming back in.
Sewer backup protection for your home.
Scope of service
- Backwater valve installation enquiries
- Existing valve access and condition review
- Maintenance and alarm enquiries
- Toronto subsidy information
Start with the right information
A site review helps establish the appropriate arrangement and access. A backwater valve and a sump pump serve different purposes; the right approach depends on your home.
Flood-protection subsidy information
Toronto offers up to $6,650 per eligible property across its expanded program. Available amounts depend on the work and eligibility. Verify contractor licensing, permits, inspection and application requirements with the City before work starts. Funding is not guaranteed.
Program details checked October 10, 2026.
Protection with access for future maintenance.
A backwater valve helps limit reverse flow through a drainage connection. Its placement, access and relationship to the rest of the plumbing need to be considered before installation. Maintenance access is part of the design, so the valve can be inspected without dismantling the finished space.
Common questions
Can every home use the same valve arrangement?
No. The drainage layout and property conditions determine the appropriate approach. A site review is needed before specifying the work.
Is Toronto subsidy funding automatic?
No. Eligibility, property history, documentation and City requirements apply. Review the current program before starting work and confirm the requirements for your project.