The one way valve stops water from passing back into the Ozone but there must also be a double loop above the waterline.
Del Ultra Pure Balboa ProZone Waterway Hydroair.This unit can be fitted to virtually any Hot Tub with a venturi system. Can be used with Spaform Aegean Leisurerite Leisure Bay Hotspring Sundance Marquis Master Spa Signature Southwest Spas Hydrospa Hydropool QCA Sunset Sunrise Sunbelt Beachcomber LA Spas Dimension 1 Saratoga Emerald Spa Sapphire Spas and more...
Connections / Fixings:
Push fit on to the Ozone.
TubingLength: 950mmWidth: 10mm ScrewsLength: 20mm Width: 10mm One way valveLength: 60mm Width: 7mm ClipsLength: 25mm Width: 5mm