The PlumbShop Flood Valve with Back Flow Preventer, 4-in, is a simple solution to prevent sewage backup. This heavy-duty steel valve allows water to flow out of your pipes during high-flow events but prevents water from backing into your drainage system. Whether you're a homeowner looking for extra drainage protection or a plumber stocking your store, this no-frills flood valve gets the job done.

PlumbShop Flood Valve with Backflow Preventer for drains
ABS Pipe backflow preventer
Made of plastic and metal
Diameter: 4" (10 cm)

Part Number	PS495.
Valve Type	Backflow
Connection Type	Flare
Primary Material	Steel
Primary Colour	Gold
Pipe Type Compatibility	Copper
Maximum Pressure (psi)	0 lb/in²
Number of Pieces	1
Advanced Features	No Advanced Features
Certifications	No Certifications

Assembled Height (cm)	10.16 cm
Assembled Height (in)	4.00 in
Assembled Length (cm)	10.16 cm
Assembled Length (in)	4.00 in
Assembled Weight (kg)	0.39 kg
Assembled Weight (lb)	0.85 lb
Assembled Width (cm)	10.16 cm
Assembled Width (in)	4.00 in
Inlet Size (in)	0.00 in
Inlet Size (mm)	0.00 mm
Outlet Size (in)	3.99 in
Outlet Size (mm)	101.35 mm

Warranty

This product carries a 1 year exchange warranty redeemable at any Canadian Tire store.

Online Ordering

Pick Up is free at most stores (some stores require a minimum order value before tax)
Shipping fee is based on size and weight of products and distance from address to store
Same-Day Delivery costs $9.99 per order
Online Ordering Information

Returns

Most products can be returned or exchanged at any Canadian Tire store within 90 days of purchase
Some products are non-refundable and non-exchangeable
The return policy outlined above may not apply to the product you are currently viewing. For complete details and eligibility, please refer to our Return Policy for exceptions.

	Only Show Differences	Currently Viewing PlumbShop Flood Valve with Back Flow Preventer, 3-in $23.99	PlumbShop Continuous Waste Kit Center Outlet, Black, 1-1/2 x 1-1/2 x 16-in $9.39	PlumbShop Continuous Waste Kit End Outlet, Black, 1-1/2 x 1-1/2 x 16-in $10.49	PlumbShop PermOseal Adjustable P-Trap, Black, 1-1/2-in $9.99
Ratings
Primary Material	Steel	ABS Plastic	ABS Plastic	ABS Plastic
Primary Colour	Gold	Black	Black	Black
Pipe Type Compatibility	Copper	ABS Plastic	ABS Plastic	ABS Plastic

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Overall Rating

4.1

4 out of 6 (67%) reviewers recommend this product

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1 to 5 of 15 Reviews

1 – 5 of 15 Reviews

4 out of 5 stars.

prevents some smell odour

Verified Purchaser

3 days ago

worked ok , had to a better one from an industrial supplier

Helpful?

5 out of 5 stars.

Replacement

Verified Purchaser

a month ago

Stops back flow from my basement drain. Needs to be replaced about every five years.

Helpful?

3 out of 5 stars.

Not perfect fit

Verified Purchaser

a year ago

It does not fit very well.

Helpful?

3 out of 5 stars.

Drain backflow valve

Verified Purchaser

a year ago

Seal not tight enough

Helpful?

1 out of 5 stars.

Didn’t work during an event - flooded basement

a year ago

Didn’t protect against sewer backup during heavy rainfall event. Only in service for 2 years.

No, I do not recommend this product.

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