Top 9 Non Return valve UK – Valves

As an Amazon Associate I earn from qualifying purchases.

1. Buffalo Flood Systems


Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap

Buffalo Flood Systems #ad - Anti rodent valve / rat stopper with stainless steel plate flap PREVENTS RODENTS from entering the property. The w. A. R. The best way to protect against flood damage from back flow via the sewage system. Rero fit into existing inspection chamber or pipe end making it EASY AND SIMPLE to install no DIY required. Valve's unqiue design means it will fit clAY AND PLASTIC PIPES, and opens and clears chamaber walls on bent inlet chamber pipes. 110mm / 4" drain non return back flow valve - Anti-flood and rat valve.
BrandBuffalo Flood Systems #ad
ManufacturerThe Flood Company Commercial Ltd #ad
Height11 cm (4.33 Inches)
Length11 cm (4.33 Inches)
Width11 cm (4.33 Inches)
Part Number.

2. Deva


Deva NRV15 Brass Non Return Valve

Deva #ad - 64 mm valve height. Made by using finest material. Easy to Install. 15 mm compression fitting. Supplied with nuts and olives.
BrandDeva #ad
ManufacturerMethven #ad
Part NumberNRV15

3. Hortafix


20mm External Diameter Barbed Connection for Irrigation and Hydroponics, Hortafix Non-Return Valve

Hortafix #ad - Prevents backflow on water installations. Fits 17. 5mm id pipe 20mm OD. Can be unscrewed for cleaning. Secure grip, easy to fit.
BrandHortafix #ad
ManufacturerHortafix #ad

4. Hortafix


1/2" Irrigation and Watering, Hortafix in Line One Way Hose Connector Non Return Valve. 13 mm

Hortafix #ad - Compatible with all major brands. Double barbed for Secure Grip. Fits 13mm id pipe 16mm OD. Prevents backflow in Irrigation Systems. Can be unscrewed for cleaning.
BrandHortafix #ad
ManufacturerHortafix #ad
Part NumberHOBF954001

5. Whale


Nitrile® Construction, Whale LV1215 Non-Return Inline Valve, for Use with 1-Inch and 1 ½-Inch Diameter Pipes

Whale #ad - To suit either 1" 25mm or 1 1/2" 38mm bore hose. Note:- be aware of fake copies!? International products have separate terms, age ratings, including fit, are sold from abroad and may differ from local products, and language of product, labeling or instructions. Arrow in direction of flow. Overall length 5" - All components rust resistant.
BrandWhale #ad
ManufacturerWhale #ad
Height8 cm (3.15 Inches)
Length23.5 cm (9.25 Inches)
Weight0.09 kg (0.2 Pounds)
Width11.5 cm (4.53 Inches)
Part NumberLV1215

6. Merriway


Brass, Merriway® BH01652 15mm Non-Return Double Check Valve

Merriway #ad - Manufacturer: Merriway. Pack of 1 x double Check Valve Brass 15mm. Compression Fitting Isolating Valve. If instructions for fixing, assembly or maintenance of the products are included in the packaging then please ensure that they are followed. Heating And Plumbing Accessories.
BrandMerriway #ad
ManufacturerMerriway #ad
Height9.4 cm (3.7 Inches)
Length1.6 cm (0.63 Inches)
Weight0.1 kg (0.22 Pounds)
Width10.4 cm (4.09 Inches)
Part NumberBH01652

7. Buffalo Pest Control


Buffalo Pest Control Water and Rodent Non Return Valve 110mm / 4 inch

Buffalo Pest Control #ad - Buffalo's unique design ensures it will fit clay and plastic 110MM / 4" pipes and opens and clears chamber walls on bent inlet chamber pipes. Humane way to stop rats in drains and homes, as the Buffalo Rat Blocker allows the rat to leave the property but stops them from coming back.

The rubber fins secure the valve in position, no need for any tools. Wrc approveD. Easy to install - simple push fit design, just push into the end of a drain pipe or inlet into an inspection chamber. Drain and sewer non return valve - to stop rats and rodents from climbing up drain pipes, sewers, toilets and into your home.

When fully inserted, the a complete stainless steel face prevents the rats from entering your property and protecting your house plumbing. The flap allows rats to leave the property but prevents them from coming back up the sewer or drain pipe. Anti rodent flap valve with stainless steel flap and face prevents rodents from entering the property.
BrandBuffalo Pest Control #ad
ManufacturerWater and Pest Technologies #ad
Part Number.

8. Xavax


Silver, with 2 hose clamps, for hoses up to 10mm diameter, Xavax 111398 Non-return valve

Xavax #ad - Prevents water back-flow between washing machines and laundry driers. Suitable for drain hoses with an inner diameter of up to 10 mm. A non-return valve in the waste water pipe prevents this backflow. If a washing machine and a condensing or heat pump dryer is connected to a single siphon connection, the waste water could be pumped from one machine to the other.
BrandXavax #ad
ManufacturerHama #ad
Height2.5 cm (0.98 Inches)
Length15.5 cm (6.1 Inches)
Weight0.01 kg (0.03 Pounds)
Width9 cm (3.54 Inches)
Part Number00111398



Non Return Valve, 110mm Capricorn Backflow

CAPRICORN #ad - High quality abs with anti flooding plastic flap backed with stainless steel EPDM seal. Should be used for rainwater and grey water not containing faeces. Fully automatic operation with manual emergency closure mechanism. Dimensions - length: 286mm, width: 201mm, height: 227mm, Fits 110mm pipe diameter. Helps prevent access of rodents to your house through sewage points without faeces.
ManufacturerCapricorn #ad
Height20 cm (7.87 Inches)
Length31 cm (12.2 Inches)
Width19 cm (7.48 Inches)
Part Number9-5000-110-01-03-01