Taps

Section Code 1780 : Hose union, metal. a. All cold water fittings located outside the thermal envelope, or those outside the building should be protected against damage by freezing. b. A servicing valve shall be fitted to the supply pipe to this fitting and shall be located within the thermal envelope of the building. Where in existing house installations a hosepipe is to be used from an existing hose union tap located outside a house and which is not provided with backflow protection, either: a. The existing hose union tap should be provided with a double check valve (Type EC or ED) located inside the building; or b. The tap should be replaced with a hose union tap that incorporates a double check valve (type HUK1); or c. A hose union backflow prevention (Type HA) or a double check valve should be continuously fitted to the outlet of the tap; or d. Is legally installed in any premises.