Across
- 3. Air gap found on basins and baths
- 4. The preferred methods of cold water boosting by water undertakers
- 7. CWSC located at low level on a indirect boosted cold water system
- 8. Air gap found at a kitchen sink
- 10. A valve that is used as the mains water isolator in a property
- 11. Valve used to stop backflow from hot and cold services
Down
- 1. Used on indirect boosting cold water system to maintain pressure for buildings with multiple cisterns
- 2. Valve used to stop back flow from central heating systems and a garden tap
- 5. Gives a pressure reading and engages the pressure vessel when needed
- 6. A valve that can only be used on low pressure systems
- 9. Air gap found on WC and float valves,