Check Valves Show Sub-CategoriesPlumbing ValvesBypass Valves(2)Check Valves(6)Isolation Valves(4)Lever Valves(4)Zone Valves(3)Price££Need help building your perfect system?Chat with Thermii – our helpful AI Assistant for advice on finding the most suitable plans and parts for your project.Ask ThermiiInstallation ManualsFREE System Design & Quote ServiceTailored to Your SpaceCAD DrawingsExpert Team on HandSend us Your Floor Plans “22mm Single Check Valve WRAS Approved” has been added to your basket. View basket Sort by: Default sortingSort by popularitySort by average ratingSort by latestSort by price: low to highSort by price: high to low Price££ View as: 15mm Double Check Valve WRAS Approved £4.96inc.VAT Add to basket 22mm Double Check Valve WRAS Approved £10.34inc.VAT Add to basket 28mm Double Check Valve WRAS Approved £16.41inc.VAT Add to basket 15mm Single Check Valve WRAS Approved £2.78inc.VAT Add to basket 22mm Single Check Valve WRAS Approved £5.37inc.VAT Add to basket 28mm Single Check Valve WRAS Approved £9.05inc.VAT Add to basket
Open a Trade Account »
Next Day Delivery
100% Secure Shopping
Price Match
Lifetime Warranty
30 Day Returns