No the valve cannot be installed upside down. It is a swing flap valve. Therefore when installed horizontally it cannot be rotated

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Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 110mm

Horizontal PVC Plastic Sewage Drain Check Non-Return Valve Backwater Prevented 110mm

Q: How is this fitted into a clay soil pipe in my front lawn. Is there a chamber for it? Thanks.

This will not fit an old clay pipe which are 4inch (slightly smaller) this is for new 110mm plastic pipe

Q: Can this be installed vertically? I am unable to access the manhole as this has been concreted over

Not suitable for vertical installation, please enter B00VIE67EK in Amazon search bar for a 110mm vertical non return valve, please check to dee if this is suitable

Product ID: 49023844

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Details

Material
Plastic (PP)
Brand
PLUMBING4HOME
Exterior finish
Nickel
Inlet connection type
Flange
Outlet connection type
BSPT
Maximum operating pressure
0.5 Bars

🌊Prevents sewage & stormwater backflow

🐀Rodent-proof gasket design

🛡️110mm robust PVC build

Description

🛠️ Secure your space with the ultimate backflow barrier!

CODE READY COMPLIANCE - Meets CE and WRAS certifications, fulfilling mandatory building regulations effortlessly.
RODENT RESISTANT SEAL - Special gasket design blocks rodents from invading your building through sewage lines.
SMOOTH FLOW NO CLOGS - Interior profiling prevents sediment buildup, ensuring uninterrupted sewage drainage.
FLOOD DEFENSE ALWAYS ON - Automatic non-return valve requires zero power, guarding your lower floors 24/7.
ENGINEERED FOR DURABILITY - High-quality PVC and fiberglass-reinforced parts resist chemicals and hot sewage up to 95°C.

The KARMAT 110mm Horizontal PVC Backwater Valve is a high-grade, automatic non-return valve designed to prevent sewage and stormwater backflow, protecting lower floors from flooding. Made from durable polypropylene and PVC with fiberglass reinforcement, it withstands aggressive chemicals and hot sewage up to 95°C. Its rodent-resistant gasket and smooth interior ensure reliable, clog-free operation, meeting CE and WRAS standards for building safety compliance.

Specifications

Manufacturer	Karmat
Part Number	450b
Package Dimensions	29.7 x 21.8 x 20.2 cm; 880 g
Item model number	5907484551231
Size	110 mm
Colour	Orange
Material	Plastic, Polypropylene (PP), Polyvinyl Chloride (PVC)
Item Package Quantity	1
Number of Pieces	1
Maximum Pressure	0.5 Bars
Certification	CE, WRAS
Batteries included?	No
Batteries Required?	No
Item Weight	880 g

Have a Question? See What Others Asked

How is this fitted into a clay soil pipe in my front lawn. Is there a chamber for it? Thanks.

Can this be installed vertically? I am unable to access the manhole as this has been concreted over

Is this roddable

Is this easy to fit into an existing clay ground pipe? Thanks.

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