# Submersible Sump Pump Install Toronto | Sump Pump Toronto

> Cast iron submersible sump pumps installed in Toronto, $1,700-$3,000: Zoeller M63, Liberty LE51, Hydromatic SW33. Pedestal-to-submersible upgrades in a sealed pit.

URL: https://sumppumpinstallationtoronto.ca/submersible-sump-pump-installation/

GTA

-   14 Years Toronto Plumbing
-   CSA B64.10 Certified
-   WSIB & $2M CGL
-   Licensed - Permitted - Rebate-Filed

# Submersible Sump Pump Installation in Toronto, ON | Cast Iron Zoeller + Liberty Install

Last updated: October 7, 2026

Sump Pump Installation Toronto installs cast iron submersible pumps (Zoeller M63, Liberty LE51, Hydromatic SW33, Pentair Myers) in sealed pits, including upgrades from older pedestal pumps. Submersibles run quieter and move more water; cast iron housings typically last 15-20 years against 5-7 for plastic. We size horsepower to your inflow and discharge height, not to the box on the shelf.

$500 REBATE

Up to $500 City Rebate When Installed as a New Sump System

City of Toronto subsidy covers Toronto addresses only. Other GTA municipalities run their own programs.

Get In-Home Assessment & Quote

[/contact/ →](/contact/)

 

Call 24/7: (437) 782-5911

[tel:+14377825911 →](tel:+14377825911)

![Plumber lowering a cast iron Zoeller M63 submersible pump into a sealed basin](/images/misc/cast-iron-zoeller-m63-submersible-sump-pump-being-.webp)

Published price $1,700 - $3,000

1,850+

Installs in GTA

14 Yrs

Since 2011

24/7

Live Dispatch

2-Yr

Workmanship Warranty

## What Is a Submersible Sump Pump?

Have you ever laid awake listening to a heavy rainstorm, worrying about your basement flooding? That sinking feeling is something many Canadian homeowners know all too well. A reliable submersible sump pump installation is the secret to sleeping soundly through the worst storms.

We specialize in 

sump pump installation across Toronto

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, fitting top-tier cast iron submersibles from brands like Zoeller, Liberty, Hydromatic, and Pentair Myers.

Here is why this hidden design works so well:

-   The surrounding water keeps the sealed motor perfectly cool.
-   A powerful vortex impeller quickly pushes water out of the house.
-   The heavy, sealed lid keeps damp smells out of your living space.

We can help you get this setup right the first time. If your home does not have a pit yet, check out our 

interior sump pump installation

[/interior-sump-pump-installation/ →](/interior-sump-pump-installation/)

 page. That guide covers cutting a new pit, which is a great step toward qualifying for the City of Toronto Basement Flooding Protection Subsidy Program.

This generous local subsidy offers up to $2,250 for sump pump installations in 2026. Let me walk you through the details so you can make the best choice for your property.

## Submersible vs Pedestal Sump Pump

Choosing the right design makes a huge difference in your daily comfort. Many older homes still rely on pedestal pumps. The motor on a pedestal unit sits up high on a column above the pit.

Our team often replaces these loud pedestal models because they run in the open air and cause a lot of noise. Upgrading to a submersible model means the motor is buried under the water level. This clever design creates a natural sound barrier.

You will immediately notice how much quieter a submersible unit is.

|  | Submersible | Pedestal |
| --- | --- | --- |
| Motor location | Inside the pit, under water | On a column above the pit |
| Noise | Quiet, especially under a sealed lid | Louder, motor runs in open air |
| Cooling | Water and oil-filled housing | Air only |
| Flow | Usually higher for the same HP | Usually lower |
| Service access | Lift out of the pit | Easier to reach |
| Typical lifespan (cast iron) | 15-20 years | Varies widely |

![Old pedestal pump beside a new cast iron submersible before a pedestal-to-submersible upgrade](/images/misc/old-pedestal-sump-pump-standing-above-an-open-pit-.webp)

## Cast Iron vs Plastic Sump Pumps

Materials matter a lot when protecting your home from water damage. Plastic or thermoplastic pumps might look appealing due to their lower price tag. Heat is the main enemy of any pump motor during a long Ontario spring thaw.

We always recommend cast iron models like the Zoeller M53 or Liberty 257 for serious flood protection. A cast iron, oil-filled housing moves heat away from the motor quickly and efficiently. A plastic casing actually traps that destructive heat inside the unit.

That thermal difference is the main reason cast iron pumps typically last 10 to 15 years, while plastic fails in 5 to 7. Here are a few quick reasons to choose heavy-duty cast iron:

-   Superior heat dissipation during continuous rainstorms.
-   Heavier weight keeps the unit anchored safely in the pit.
-   Better resistance to corrosion and rust over a decade of use.

## 1/3 HP vs 1/2 HP: Which Size?

Bigger is not always better for household drainage systems. A common mistake is buying the most powerful pump on the shelf. Too much horsepower can actually cause severe damage to your system.

We size every new unit strictly from a professional flow test. Oversizing leads to short cycling, which means the pump turns on and off every few seconds. This constant switching will quickly destroy a brand new motor.

For one Chinatown customer, we sized a 1/3 HP Liberty pump to the pit’s actual inflow instead of installing a massive 1/2 HP unit. The damaging short cycling stopped within a single day.

| Situation | Usual choice |
| --- | --- |
| Typical Toronto bungalow, moderate spring inflow | 1/3 HP (around 50 GPM) |
| Pit fills in a minute or two during a thaw | 1/2 HP |
| Discharge lifts more than about 10 ft | 1/2 HP |
| Narrow 18 in basin, light inflow | 1/3 HP with a vertical float |

You must also consider the physical size of your basin. A tethered float switch can easily get stuck against the wall in pits narrower than 15 inches. A vertical float is the smartest choice for tight spaces because it moves straight up and down.

## What Drives the Cost?

Pricing out a new system involves looking at your current setup. A simple replacement job is very different from digging a brand new trench. Understanding these factors helps you budget accurately for 2026.

### Essential Equipment Upgrades

The type of hardware you select forms the base of your total bill. A standard 1/3 HP submersible unit is much more affordable than a commercial grade 1/2 HP high-flow model.

We also look at the condition of your existing discharge line. Adding a brand new check valve in 2026 typically adds about $150 to $300 to the installation cost. A check valve is vital because it stops discharged water from flowing right back into the pit.

### Labour and Site Conditions

Your final cost depends heavily on the physical labour required. Swapping an old submersible for a new one takes less time and keeps labour costs low.

Our installation crew must spend significantly more time on site if we are removing an old pedestal setup or cutting concrete. Installing a new airtight sealed lid also takes extra precision to keep radon gas and odors locked away.

| Cost factor | Lower end | Higher end |
| --- | --- | --- |
| Horsepower | 1/3 HP | 1/2 HP high flow |
| Old pump type | Like-for-like submersible | Pedestal removal and upgrade |
| Lid | Existing lid reused | New airtight sealed lid |
| Discharge | Existing line in good shape | New check valve and coupling changes |

## When Should You Choose a Submersible Upgrade?

Timing your upgrade perfectly can save your finished basement from total ruin. You should upgrade immediately when your old pedestal pump fails or becomes too noisy to hear the television upstairs.

Here are the most common signs it is time for a brand new system:

-   Your existing plastic pump is over seven years old.
-   The motor makes loud grinding or whining noises.
-   You notice a damp, musty smell lingering near the pit.
-   The system runs constantly without emptying the basin.

We highly recommend replacing aging equipment before the next major storm hits. For pumps that have already died, our 

sump pump replacement

[/sump-pump-replacement/ →](/sump-pump-replacement/)

 service covers the full swap. This service is available the same day where possible to protect your property.

You can also take advantage of financial help from the local government. The 2026 Toronto Basement Flooding Protection Subsidy Program can offset up to $2,250 of your installation costs.

We suggest you pair any new submersible unit with a 

battery backup

[/battery-backup-sump-pump-installation/ →](/battery-backup-sump-pump-installation/)

 system. A battery backup will keep the pit empty even if a severe storm knocks out your neighbourhood power grid. Give us a call today to schedule your flow test and secure your home.

Published CAD Pricing

## How Much Does Submersible Sump Pump Installation Cost in Toronto?

Our published range is **$1,700 - $3,000** per installed pump. Includes sealed lid, check valve, discharge connection and flow test. New pits are quoted under interior installation. The written quote after your free assessment is the price you pay. No surprise line items.

### 1/3 HP Cast Iron

$1,700 - $2,200

-   Zoeller M53 or Liberty 257
-   Vertical float switch
-   Check valve + discharge
-   Flow test

Get a written quote

[/contact/ →](/contact/)

Most Common

### Pedestal-to-Submersible Upgrade

$2,000 - $2,600

-   Pedestal removed
-   Cast iron submersible
-   Sealed airtight lid
-   New check valve
-   Pit cleaned and checked

Get a written quote

[/contact/ →](/contact/)

### 1/2 HP High Flow

$2,400 - $3,000

-   Zoeller M63, Liberty LE51 or Hydromatic SW33
-   Sized for fast-filling pits
-   Higher discharge lift
-   Flow + drawdown test

Get a written quote

[/contact/ →](/contact/)

$500 REBATE

Up to $500 City Rebate When Installed as a New Sump System

City of Toronto subsidy covers Toronto addresses only. Other GTA municipalities run their own programs.

Every install includes a written 2-year workmanship warranty. Pump manufacturer warranties apply on top and vary by model.

Free Tool

## Try the Sump Pump Sizing Calculator

Use a simple bucket-style pit test to estimate inflow and the pump capacity your basement needs.

Use the Calculator

[/tools/sump-pump-sizing-calculator/ →](/tools/sump-pump-sizing-calculator/)

Why Toronto Homeowners Call Us

## What Sets Our Submersible Work Apart in Toronto?

14 years in Toronto basements, 1,850+ sump installs and a licensed Master Plumber on every permit. Here is what that means on your job.

### Sized, not guessed

A flow test tells us what your pit needs. Oversized pumps short cycle; undersized ones fall behind.

### Cast iron only, by default

Oil-filled cast iron housings shed heat and usually last 15-20 years.

### Quieter basements

A submersible under a sealed lid is much quieter than a pedestal motor running in the open.

### Less damp smell

An airtight lid keeps humidity and pit odours out of the room.

### Brands we trust

Zoeller, Liberty, Hydromatic and Pentair Myers. Parts are easy to source in Toronto.

### 2-year workmanship warranty

On top of the manufacturer's warranty.

First Call to Sign-Off

## How Does Our Submersible Process Work?

No guesswork about what happens on install day. Most Toronto jobs follow these steps, and we tell you up front if yours will differ.

The honest timeline

Install work is usually 1-2 days on site. Where a Toronto Building drain permit is needed, filing takes about 5 business days, the inspector attends the same week as completion, and a City subsidy cheque arrives 6-8 weeks after the packet goes in.

1.  1. Flow test and pit check
    
    We measure how fast your pit fills and how high the water has to lift, then check the basin.
    
2.  2. Pump selection
    
    1/3 HP or 1/2 HP, vertical or tethered float, chosen from your numbers. Written price before work starts.
    
3.  3. Remove the old pump
    
    Pedestal or old submersible out, silt cleared, basin wall inspected.
    
4.  4. Install
    
    Cast iron submersible set level, float positioned, check valve and discharge connected, sealed lid fitted.
    
5.  5. Flow and drawdown test
    
    We fill the pit and time the drawdown to confirm the pump is matched to your inflow.
    

Install-Day Photos

## Our Submersible Work Around Toronto

Real jobs, real basements. Tap any photo to enlarge it.

 

Customer Stories

## What Customers Say About Our Submersible

> "Swapped our noisy pedestal pump for a cast iron Zoeller M63 submersible in a sealed pit. Quieter, moves more water, and the lid finally keeps the damp smell down."

Andrew P. · King West Submersible $2,350 CAD

> "They sized a 1/3 HP Liberty to our actual inflow instead of upselling a bigger pump. Short cycling stopped within a day. Honest advice, a fair price and a clean pit lid."

Wei C. · Chinatown Submersible $1,950 CAD

> "1970s bungalow sump died first April storm. Cast iron Zoeller installed same week, battery backup added. Dry through two more spring storms. Fair price and a tidy crew."

Ben M. · Thorncliffe Park Interior $2,450 CAD

Free, No Obligation

## Get a Written Submersible Quote

The one-hour visit covers a camera scope, a flow test, a City subsidy eligibility check and a written CAD quote with pump brand, basin type and discharge spec.

-   Written price before any work starts
-   Permit and inspection booked for you where required
-   Subsidy packet filed at $0 on eligible Toronto installs
-   2-year written workmanship warranty

Free In-Home Assessment

## Book Your Submersible Assessment

Camera scope + pit inspection + written quote + City subsidy eligibility check. No obligation.

Thanks, we got your request.

A member of the Sump Pump Toronto Crew will call you back, usually the same business day. Water rising right now? Call (437) 782-5911.

Straight Answers

## Submersible Sump Pump Installation: Frequently Asked Questions

### How much does a submersible sump pump installation cost in Toronto?

A cast iron submersible sump pump installation costs $1,700 to $3,000 CAD in Toronto in an existing pit. That covers the pump, a sealed lid, a check valve, the discharge connection and a flow test.

A 1/3 HP Zoeller M53 or Liberty 257 sits at the low end. A pedestal-to-submersible upgrade with a new airtight lid usually lands in the middle. A 1/2 HP high-flow pump such as a Zoeller M63, Liberty LE51 or Hydromatic SW33 for a fast-filling pit or a high discharge lift sits at the top. If you do not have a pit yet, the job is a new interior installation, priced at $1,800 to $3,200 and eligible for the $500 City subsidy on Toronto addresses.

### Submersible vs pedestal sump pump: which is better?

For most Toronto basements, a submersible. The motor sits under water inside a sealed basin, so it is quieter, it is cooled by the water around it, and it usually moves more water than a pedestal pump of similar size. A sealed lid also keeps humidity and pit smell out of the room, which matters in finished basements.

A pedestal pump has its motor on a column above the pit. It is easier to reach for service and can suit a very narrow or shallow pit. But it is louder, more exposed and less common in new installs. If your pedestal pump has failed, upgrading to a submersible at the same time usually costs little more than a like-for-like swap.

### Is a cast iron sump pump better than plastic?

Yes, for most Toronto homes. Cast iron pumps typically last 15 to 20 years against 5 to 7 for plastic. The reason is heat. During a long storm, a pump may start and stop hundreds of times, and every start heats the motor. A cast iron, oil-filled motor housing pulls that heat away; a thermoplastic casing holds onto it. Heat is what cooks windings and trips thermal overload protection.

Plastic pumps cost less up front and are fine for light-duty pits. But when the cheaper pump fails in a storm, the cost of one wet finished basement is far higher than the price difference.

### What size sump pump do I need: 1/3 HP or 1/2 HP?

Most Toronto homes need a 1/3 HP pump, which moves roughly 50 GPM at typical lift heights. Choose 1/2 HP when your pit fills quickly in spring (common near the lake, ravines or high water tables) or when the discharge has to lift more than about 10 feet before it leaves the house.

The best way to know is a flow test. We time how fast the pit fills, factor in vertical lift and pipe run, and pick the pump that keeps up without short cycling. Bigger is not better; an oversized pump empties the pit too quickly, starts and stops constantly and wears out sooner.

### What is the difference between a vertical and a tethered float switch?

A vertical float rides up and down on a rod and needs little room, which suits narrow 18 inch basins. A tethered float swings on a cord and needs a wider pit but gives a longer run cycle. We choose based on your basin size and inflow. Both work well when they are set at the right height and kept clear of the basin wall and the discharge pipe.

### How loud is a submersible sump pump?

Much quieter than a pedestal. Under water and a sealed lid, you usually only hear the water moving and the check valve closing.

### Can I upgrade my pedestal pump to a submersible?

Yes, as long as the pit is wide and deep enough. We check the basin and fit a sealed lid at the same time.

### What does solids handling mean on a sump pump?

It is the size of debris the pump can pass without clogging. A non-clogging vortex impeller handles small gravel and silt better than a basic impeller.

### Does a submersible pump qualify for the City subsidy?

Yes, when it is installed as a new sump system at an eligible Toronto address. A replacement pump in an existing pit usually does not qualify.

### Which brands do you install?

Zoeller M63 and Mighty-Mate M53, Liberty LE51 and 257, Hydromatic SW33 and Pentair Myers.

### Do submersible pumps need maintenance?

A little. Test the pump each spring and fall, keep the float clear and have the pit cleaned of silt every few years.

### How long does the install take?

In an existing pit, usually a few hours, including the flow test.

Often Paired With

## Related Services

![Licensed plumber setting a cast iron Zoeller pump into a new sealed sump basin in a Toronto basement floor](/images/misc/licensed-plumber-in-hi-vis-vest-setting-a-cast-iro.webp)

[/interior-sump-pump-installation/ →](/interior-sump-pump-installation/)

### 

Interior Sump Pump Installation

[/interior-sump-pump-installation/ →](/interior-sump-pump-installation/)

$1,800 - $3,200

Eligible for $500 City of Toronto Rebate

New sump pit cut into your basement slab, sealed basin, cast iron pump and freeze-proof discharge, usually done in one day.

-   Zoeller M53 / M63
-   Liberty 257
-   1/3 to 1/2 HP
-   50-80 GPM

Interior Sump details

[/interior-sump-pump-installation/ →](/interior-sump-pump-installation/)

![Plumber lifting an old rusted sump pump out of an existing pit next to a new cast iron replacement](/images/misc/plumber-lifting-an-old-rusted-plastic-sump-pump-ou.webp)

[/sump-pump-replacement/ →](/sump-pump-replacement/)

### 

Sump Pump Replacement

[/sump-pump-replacement/ →](/sump-pump-replacement/)

$1,500 - $2,800

Same-Day Dispatch Available

Swap a 10+ year, burned-out or seized pump for a cast iron unit with a new float, new check valve and a flow test.

-   Cast Iron Upgrade
-   Discharge Clear
-   2-Yr Warranty

Replacement details

[/sump-pump-replacement/ →](/sump-pump-replacement/)

![Plumber connecting a 12V battery backup sump pump and sealed battery box beside a basement sump pit](/images/misc/plumber-connecting-a-12v-battery-backup-sump-pump-.webp)

[/battery-backup-sump-pump-installation/ →](/battery-backup-sump-pump-installation/)

### 

Battery Backup Sump Pump Installation

[/battery-backup-sump-pump-installation/ →](/battery-backup-sump-pump-installation/)

$900 - $5,100

Subsidy eligibility confirmed at assessment when part of a new sump install

Secondary 12V pump on a deep-cycle battery with its own float and WiFi alarm, so the pit keeps draining when the power goes out.

-   Aquanot 508 ProPak
-   Liberty SJ10
-   Smart Switchover
-   8-24 h Runtime

Battery Backup details

[/battery-backup-sump-pump-installation/ →](/battery-backup-sump-pump-installation/)

![](/images/misc/licensed-plumber-in-hi-vis-vest-checking-a-freshly.webp)

Free Assessment: Camera Scope + Flow Test + Subsidy Check

## Ready to Book Submersible in Toronto?

Honestly, that is the whole pitch. We would rather spend an hour at your house now than pump out a finished basement later.

Get In-Home Assessment & Quote

[/contact/ →](/contact/)

 

Call 24/7: (437) 782-5911

[tel:+14377825911 →](tel:+14377825911)

-   Published CAD pricing
-   2-year workmanship warranty
-   Licensed Master Plumber (ON)
-   City subsidy filed at $0