watts backflow parts for sale, brand-new and used.

 

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This valve is new old stock, in perfect unused condition. Connections are 3/8" flare. Series 9BD Dual Check Vacuum Breakers for Vending Machine Water Supply Lines prevent the reverse flow of contaminates, such as carbon dioxide gas and carbonated water, from entering the potable water supply.

Features New 5 sided pad heating technology and aluminum shelves provide excellent temperature uniformity and faster heating rates (25% faster in our lab test).

2 NEW IN SEALED BOX This 1/2 in. dual check valve with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines.