Backwater Valve Installation

One small valve. One big way to stop sewage from flooding your home.

Backwater Valves

Your Best Defence Against Sewer Backups

When heavy rain overwhelms city sewer lines, sewage can surge back into your home. A backwater valve stops that cold. It’s a one-way gate that closes when water tries to flow the wrong way.

If your basement’s below street level or you’ve had a backup before, a backwater valve isn’t optional. It’s required by many cities and essential to qualify for rebate programs. We install, inspect, and maintain city-approved valves so your home stays protected and your rebate paperwork gets done right.

why choose us?

Why Choose Sewer Squad

Trusted pros. Fast installs. No missed rebates.

City rebate support from start to finish

Clean installs that meet all code

Preventative advice and yearly service

Signs You Need a Backwater Valve

Even if your basement hasn’t flooded yet, it could be next.

Sewage came up through a floor drain or toilet

That’s a classic sign of city sewer water flowing the wrong way and a valve could’ve stopped it.

You live in a flood-prone or combined sewer area

If your neighbourhood floods or shares storm and sewer pipes, backups are more likely but preventable.

City offered a rebate but you don’t know where to start

We handle permits, installation, and paperwork so you don’t miss out on savings.

Existing valve is stuck, leaking, or never inspected

Like any plumbing part, it needs upkeep. We’ll inspect and service it before the next rain hits.

Planning a reno and want flood protection built in

Renos are the perfect time to add protection that prevents thousands in future damage.

You want peace of mind before the next big storm

One valve, installed right, can save your basement from disaster. We’ll make sure it’s ready.

FAQs

frequently asked questions

What is a backwater valve and how does it work?

It’s a one-way flap that lets wastewater flow out, but shuts tight if sewage tries to come back in. It’s your defence against sewer backups from the city line.

Can I use water if the valve is shut?

No. Water use should stop during a backup or it could flood inside your home. Wait until it reopens.

How often should it be checked?

At least once a year and after big storms. We clean, inspect, and ensure it’s watertight.

Does it stop 100% of sewer water?

If installed and maintained properly, it will block most backups. But if it’s clogged or damaged, small leaks can occur.

Is there a rebate for getting one installed?

Yes! Most Ontario cities offer $1,000–$1,250 rebates. We handle permits, paperwork, and ensure eligibility.

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