Double Check Valves

Double Check Valve 15mm
Disclaimer: All images are for illustrative purposes only.

Quick connect double check valve for fluid Category 3 backflow prevention

SharkBite brass push-fit double check valve is tough, withstanding high temperature and pressure. The brass push-fit double check valve is designed to act as backflow prevention up to Fluid Category 3.

Made from DZR brass its sleek design means they also look good in front of wall applications too. Using a simple push-fit action, SharkBite uses a stainless steel grab and O-Ring seal to provide a safe secure connection.

SharkBite is suitable for plastic pipe (with inserts) and copper pipe, and can be easily demounted and reused.

Features and benefits

  • Double check valves protect against the risk of backflow and back siphonage contamination
  • Compact lightweight construction for easy installation
  • Allows high flow rate with minimum pressure drop, offering good flow rates
  • Ideal for all class 3 contamination risks as per Water Supply (Water Fittings) Regulations 1999
  • Integral test point for monitoring correct functioning of the downstream check valve
  • Quick and easy to install in both wet or dry conditions
  • Repairs can be made in seconds, saving considerable time verses traditional pipe fittings
  • Heat/flux free installation is ideal for use where flame jointing is not permitted
  • No need for expensive tools
  • Quick and easy to demount
  • Instantly reusable time and time again
  • Incorporates in-built pipe guidance for superior O-Ring protection
  • Pre-lubricated O-Ring
  • Electronically continuous, meaning no further earth bonding is required
  • Made from low-leaded brass
  • Suitable for hot and cold and central heating systems
  • Compatible with plastic pipe (with inserts) and copper pipe


WRAS approved product
SKUDescriptionSize mmQuantity per bagAccreditations
SB2615Double Check Valve 15mm151