Water Supply Industry Interpretations and Advice

  • Area of Interest : Backflow prevention
  • Topic : Secondary backflow protection
  • Title :Secondarybackflow protection for caravan/holiday homes and residential park homes
  • Clause Reference : Schedule 2 paragraph 15 & G15.24a
  • Reference Number : B26
  • Decision Date : February 2003 (revised October 2017)

In cases where caravans/holiday homes and residential park homes, are supplied with water by a common pipe or distributing network, schedule 2 paragraph 15(1) requires secondary backflow protection to be installed at the point of entry of the water supply to each caravan/home.

The backflow protection used must be of an acceptable type, providing as a minimum fluid category 3 backflow protection, as defined in the Water Supply (Water Fittings) Regulations 1999, for example a double check valve