http://www.prowash.com.au/section/23/solenoid-valvesweekly 0.7 http://www.prowash.com.au/product/4304/dema-solenoid-401p-specification-installation-sheetdaily0.9 http://www.prowash.com.au/product/4305/dema-solenoid-453p-454p-specification-installation-sheetdaily0.9