






🚫💧 Stop backflow, start peace of mind!
The 110mm Non Return Valve Backflow DN110 Single Stainless Steel Flap Valve is a premium plumbing solution designed for rainwater and greywater systems. Crafted from durable ABS and stainless steel, it prevents backflow and odours while resisting weather and rodent intrusion. Certified to European EN 13564 standards, this valve ensures reliable, long-term protection for septic tanks, drainage pipes, and rainwater systems.
| ASIN | B0CV5YT4WF |
| Best Sellers Rank | 31,267 in DIY & Tools ( See Top 100 in DIY & Tools ) 16 in Tap Valves |
| Brand | Generic |
| Connector Type | Socket |
| Country of Origin | Poland |
| Customer Reviews | 4.5 4.5 out of 5 stars (32) |
| Exterior Finish | Stainless Steel |
| Inlet Connection Type | Socket |
| Item Dimensions | 12.2 x 14.5 x 15.6 centimetres |
| Item Weight | 430 Grams |
| Manufacturer | Fernco |
| Material | Acrylonitrile Butadiene Styrene (ABS), Stainless Steel |
| Model Number | non return valve |
| Number of Ports | 2 |
| Outlet Connection Size | 4 Inches |
| Outlet Connection Type | BSPP |
| Size | 110mm (W14.5 x L12.2 x H15.6 cm) |
| Specification Met | CE, RoHS, UL |
| Thread Size | 4 inches |
| Thread Type | BSPP |
| Unit Count | 1.0 count |
| Valve Type | Non-Return Valve" or "Backflow Valve |
M**D
Good fitting unit
Good well-made product
O**Y
Good odour control
Does what it says on the tin. Keeps the odours at bay that were coming from the combined foul and rain water system in the garden. Simple solution to the summer pong.
P**E
Did the job I needed
Just the job
B**.
No issues
Good quality, no issues
W**E
Hood quality
Very glad quality and does the intended job
R**E
Rubber seal missing
Rubber seal in pipe was missing. fortunately I could reuse a seal from another pipe to install this part.
P**T
Works perfect
Excellent service and product