Description
The John Guest Single Check Valve with 5/16" push-fit connections is designed to prevent back-flow of treated water into the mains water supply, which is required by UK bylaw.
Designed to connect easily in-line with water filtration systems, the John Guest single check valve is the quick and easy solution to ensuring filtered or treated water does not find it's way back into the mains supply.
Ensures peace of mind and compliance with UK law.
For all orders over £50 we offer free express delivery.
For orders under £50 we charge a small delivery fee of £2.99
Delivery option |
Estimated delivery time |
Price |
Free Express (orders over £50) |
2-3 business days |
Free |
Standard (orders below £50) |
2-3 business days |
£2.99 |
Next Day Delivery (before 3pm) |
1 business day |
£5.99 |