Dual Check Backflow Preventer 20mm - Atmospheric Vent, Watts Series 9D-AUS | 9D-020 wall mixer diverter this dispenser is surface mounted

this dispenser is surface mounted with a concealed fix and fitted with a latch for padlock use if required

and water authorities who demand accuracy

including slim paper towel sleeves (x2

giving approximately 25

Dual Check Backflow Preventer 20mm - Atmospheric Vent, Watts Series 9D-AUS | 9D-020 wall mixer diverter this dispenser is surface mountedThe Watts (AVG) 9D AUS is a dual check valve with an intermediate atmospheric vent, protecting the potable water supply from backflow contamination on low hazard connections. The atmospheric vent discharges visibly if either check fails, giving an early warning that the device needs servicing. Features 20mm connection Dual check valve with intermediate atmospheric vent Compact design for tight installation clearances Must be tested per AS NZS 2845. 3