Fernco 4" x 4" Flexible Concrete to PVC Coupling (BLACK)
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$217.20
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$153.50
Buy It With
$247.35
The Fernco 4" x 4" Flexible Concrete to PVC Coupling (Black) is the go-to solution for connecting dissimilar pipes in drainage, waste, and vent (DWV) systems. Designed for flexibility and strength, this high-performance coupling securely joins concrete pipes to PVC pipes, making it ideal for both residential and commercial plumbing applications.
Made from durable elastomeric PVC, this coupling absorbs vibration and movement while providing a watertight seal. It includes corrosion-resistant stainless steel clamps for a reliable, long-lasting connection in underground or above-ground installations.
Key Features:
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Specifically designed for concrete to PVC pipe connections
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Fits 4" x 4" pipe sizes
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Flexible elastomeric PVC material resists cracking and shifting
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Ideal for use in drain, waste, and vent systems
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Includes rustproof stainless steel clamps for extra security
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Easy to install – no special tools needed
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Meets or exceeds ASTM and CSA standards
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About Radon
What is Radon?
Radon is a radioactive gas formed from the decay of uranium in soil and rock.
It moves from the ground into homes in enclosed spaces like basements.
Health Risks Associated with Radon
Radon is the second leading cause of lung cancer after smoking.
Radon exposure is typically asymptomatic, meaning there are no immediate signs of illness.
How to Mitigate Radon Exposure
After identifying radon issues with accurate testing, you need to install mitigation systems.
If you need help identifying the best system or risks, we'll help you for free.