|Fluid Category 3 - Size||22 mm|
|Fluid Category 3 - Powered||No|
|Fluid Category 3 - Test Points||Non-Verifiable|
Backflow prevention for fluids in categories 1 - 3 (refer to Scheduled 1 of Water Regulations July 1999) Supply to flats and apartments - refer to Branch Valve Domestic Washbasins, Baths and Showers - refer to ED235 Domestic Clothes and Dishwashing machines (houses only) CWF Primary and Heating circuits (houses only with removable quick fill loop) - see Filling Valve with CA device Hose Union taps (houses only - check valves in taps illegal)
Downloads & Resources
Every Double Check Valve shall be economy type – model ED172 – with compression connections as distributed by Arrow Valves Ltd – Tel 01442 823123 www.arrowvalves.co.uk. The body of the valve shall be DZR brass with compression connections. Note – sizes 15 mm & 22 mm only.