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🚫🐀 Stop Rodents & Floods Before They Start!
The Buffalo Retro Fit Non Return Valve is a high-performance, tool-free swing check valve designed for 6-inch (150mm) sewer pipes. It features a stainless steel flap that prevents rodent ingress and backflow flooding, fitting clay, PVC, and concrete pipes with an internal diameter of 136-152.5mm. Engineered for quick installation and robust protection, it blocks sewage, pests, and foul odors, making it an essential upgrade for modern property managers and homeowners.










| ASIN | B07V3JJWPR |
| Best Sellers Rank | 8,504 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 56 in Pipes |
| Brand | Buffalo Flood Systems |
| Customer Reviews | 4.2 out of 5 stars 141 Reviews |
| Exterior Finish | Stainless Steel |
| Exterior finish | Stainless Steel |
| Inlet Connection Size | 6 Inches |
| Inlet Connection Type | PVC |
| Inlet connection size | 6 Inches |
| Inlet connection type | PVC |
| Item Dimensions | 16 x 15 x 15 centimetres |
| Item dimensions L x W x H | 16 x 15 x 15 centimetres |
| Manufacturer | Water and Pest Technologies |
| Material | Plastic |
| Model Number | FLC444 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 6 Inches |
| Outlet Connection Type | PVC |
| Part Number | FLC444 |
| Set Name | Check Valve Kit |
| Size | 6 inches |
| Thread Size | 150 mm |
| Thread Type | G |
| UPC | 703694886423 |
| Unit Count | 1.0 count |
| Valve Type | Swing Check Valve |
P**T
Fantastic Unit
I fitted this unit to prevent odours from the sewer entering our bathroom, It works perfectly and the odours have gone.
R**J
One way made easy
Great product at an excellent price easy to install and does the job in hand would highly recommend
T**S
Works great!
Brilliant item. Easy to install and stopped drain smell backing up the pipe.
T**K
Good
It worked fine. I had bad smell in 2 of my bath rooms when air blows outside the house and finds it way into the drainage pipe network. But since I fitted it in the main drain, it perfectly blocked the air flow and stopped the smell .. Nevertheless, toooo expansive for what it is.
Z**E
Doesn’t work and no response from seller
Don’t buy this! We did and after 2 weeks the rats had chewed around the plastic edging and managed to get back into our home. We contacted the sellers to ask for a refund and have not even received a response. Disgraceful customer service. We’ve had to buy another one from a different seller (stainless steel) which has done the job. Save your money and the stress by buying a stainless steel one. Rats will get through this and the sellers won’t give you your money back.
M**H
Quick easy solution to stopping rats entering the bungalow
Easy to fit.up to now all quiet in the loft.
P**K
Does the job
Excellent piece of kit, just fits so easily. Just needs oiling when needed.
M**N
Excellent
Top quality will buy more
P**T
Ottimo prodotto
Anche se il prezzo è decisamente elevato, la valvola si presenta con materiali di ottima qualità e la fattura del prodotto è molto elevata. Il prezzo vale l'acquisto poiché è l'unica che può essere installata infilandola direttamente all'interno del tubo, perfetta in quei casi non si ha uno spezzone di tubo atto a fare da maschio con le altre valvole di non ritorno.
P**S
fast delivery
perfect as described, easy to fit and good quality
R**M
Alles bestens
Einbau leicht und einwandfrei, macht qualitativ einen guten Eindruck
K**A
Buffalo Froschklappe
Die Buffalo Froschklappe ist passgenau und ist auch leicht zum einbauen. Sie funktioniert trotz der Metall Klappe einwandfrei . Preis Leistung Verhältnis mit € 145,00 istO.K. Sehr schnelle Lieferung.
J**N
Water terugslagklep
Toepassing, voor waterverplaatsing vanuit de rioolering te voorkomen naar garage
Trustpilot
1 month ago
4 days ago